./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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/id2_b2_o3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:31,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:31,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:31,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:31,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:31,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:31,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:31,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:31,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:31,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:31,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:31,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:31,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:31,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:31,738 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:31,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:31,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:31,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:31,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:31,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:31,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:31,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:31,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:31,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:31,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:31,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:31,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:31,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:31,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:31,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:31,746 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:31,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:31,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:31,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:31,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:31,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:31,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:31,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:31,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:31,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:31,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:31,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:31,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:31,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:32,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:32,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:32,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:32,075 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:32,086 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:32,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml [2024-09-20 13:29:32,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:32,160 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:32,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-20 13:29:33,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:33,922 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:33,923 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-20 13:29:33,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b74367d89/509cf31b93714bb2bf2359e31c2d10f1/FLAGf0c1333e2 [2024-09-20 13:29:34,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b74367d89/509cf31b93714bb2bf2359e31c2d10f1 [2024-09-20 13:29:34,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:34,308 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:34,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:34,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:34,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:34,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:32" (1/2) ... [2024-09-20 13:29:34,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229dfd81 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:32" (1/2) ... [2024-09-20 13:29:34,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f8c57c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:34" (2/2) ... [2024-09-20 13:29:34,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229dfd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:34" (2/2) ... [2024-09-20 13:29:34,328 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:29:34,328 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\result < 3) [2024-09-20 13:29:34,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:34,513 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-20 13:29:34,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:34,540 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 13:29:34,588 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-20 13:29:34,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:34,605 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:34,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34 WrapperNode [2024-09-20 13:29:34,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:34,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:34,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:34,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:34,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,628 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,640 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:29:34,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:34,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:34,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:34,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:34,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (1/1) ... [2024-09-20 13:29:34,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:34,686 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) [2024-09-20 13:29:34,690 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 [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-20 13:29:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:29:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:29:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-20 13:29:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-20 13:29:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:29:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:29:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:29:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:34,796 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:34,799 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:34,925 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:34,950 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:34,950 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:29:34,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:34 BoogieIcfgContainer [2024-09-20 13:29:34,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:34,952 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:34,952 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:34,953 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:34,953 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:32" (1/4) ... [2024-09-20 13:29:34,953 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12ac900b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,953 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:34" (2/4) ... [2024-09-20 13:29:34,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12ac900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,954 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:34" (3/4) ... [2024-09-20 13:29:34,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12ac900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:34, skipping insertion in model container [2024-09-20 13:29:34,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:34" (4/4) ... [2024-09-20 13:29:34,958 INFO L79 RefereeObserver]: Analyzing ICFG id2_b2_o3.c [2024-09-20 13:29:34,962 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:29:34,963 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-20 13:29:34,965 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:29:34,966 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:29:35,003 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:29:35,005 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:35,005 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:35,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:35,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:35,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:35,021 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:29:35,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:35,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:35,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:35,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:35,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:35,042 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:29:35,064 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:29:35,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:35,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:35,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:35,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:35,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:35,101 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-20 13:29:35,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:35,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:35,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:35,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:35,110 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:35,113 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:35,117 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:29:35,117 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12ac900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:35, skipping insertion in model container [2024-09-20 13:29:35,117 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:35,119 INFO L158 Benchmark]: Toolchain (without parser) took 810.17ms. Allocated memory is still 180.4MB. Free memory was 151.0MB in the beginning and 115.2MB in the end (delta: 35.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-20 13:29:35,120 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:35,120 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:35,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.35ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 137.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:29:35,121 INFO L158 Benchmark]: Boogie Preprocessor took 44.43ms. Allocated memory is still 180.4MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:29:35,122 INFO L158 Benchmark]: RCFGBuilder took 296.97ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 124.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 13:29:35,123 INFO L158 Benchmark]: Referee took 165.92ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 115.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 13:29:35,125 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 id to exit of procedure id. 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 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.50ms. Allocated memory is still 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.35ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 137.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.43ms. Allocated memory is still 180.4MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.97ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 124.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 165.92ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 115.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:29:35,157 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE