./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i10_o10-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i10_o10-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:54:27,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:27,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:27,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:27,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:27,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:27,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:27,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:27,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:27,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:27,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:27,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:27,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:27,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:27,738 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:27,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:27,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:27,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:27,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:27,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:27,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:27,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:27,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:27,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:27,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:27,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:27,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:27,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:27,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:27,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:27,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:27,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:27,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:27,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:27,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:27,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:27,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:27,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:27,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:27,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:27,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:27,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:27,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:27,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:27,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:27,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:27,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:27,985 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:27,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-09-11 20:54:29,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:29,336 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:29,337 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-09-11 20:54:29,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/eaacdd832/7ad7e86343e648128901a9de1fabf3d7/FLAG7a5d9e158 [2024-09-11 20:54:29,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/eaacdd832/7ad7e86343e648128901a9de1fabf3d7 [2024-09-11 20:54:29,765 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:29,766 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:29,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i10_o10-2.yml/witness-2.1.yml [2024-09-11 20:54:29,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:29,804 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:29,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:29,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:29,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:29,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:29,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb71982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:29,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fb013fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,812 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 08:54:29" (2/2) ... [2024-09-11 20:54:29,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb71982 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,812 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 08:54:29" (2/2) ... [2024-09-11 20:54:29,816 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:29,817 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (((((((((((((3 == \result) && (\old(x) == 3)) || ((\old(x) == 6) && (6 == \result))) || ((9 == \result) && (\old(x) == 9))) || ((2 == \result) && (\old(x) == 2))) || ((10 == \result) && (\old(x) == 10))) || ((5 == \result) && (5 == \old(x)))) || ((8 == \result) && (\old(x) == 8))) || ((7 == \result) && (7 == \old(x)))) || (10 < \old(x))) || ((\result == 1) && (\old(x) == 1))) || ((\old(x) == 4) && (4 == \result))) || ((\result == 0) && (\old(x) == 0))) [2024-09-11 20:54:29,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:29,932 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/id_i10_o10-2.c[454,467] [2024-09-11 20:54:29,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:29,943 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:29,971 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/id_i10_o10-2.c[454,467] [2024-09-11 20:54:29,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:29,982 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:29,983 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:29 WrapperNode [2024-09-11 20:54:29,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:29,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:29,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:29,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:29,993 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,993 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,998 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,006 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 [2024-09-11 20:54:30,006 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,006 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,009 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,010 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,012 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,013 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:30,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:30,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:30,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:30,018 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 08:54:29" (1/1) ... [2024-09-11 20:54:30,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:30,041 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 20:54:30,043 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 20:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:30,121 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:30,123 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:30,245 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:30,246 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:30,261 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:30,262 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:30,262 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:30 BoogieIcfgContainer [2024-09-11 20:54:30,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:30,262 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:30,263 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:30,263 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:30,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:29" (1/4) ... [2024-09-11 20:54:30,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fc16be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,264 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 08:54:29" (2/4) ... [2024-09-11 20:54:30,264 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fc16be7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,264 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 08:54:29" (3/4) ... [2024-09-11 20:54:30,266 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fc16be7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,266 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 08:54:30" (4/4) ... [2024-09-11 20:54:30,267 INFO L79 RefereeObserver]: Analyzing ICFG id_i10_o10-2.c [2024-09-11 20:54:30,270 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:30,271 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:30,271 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:30,272 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:30,306 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:30,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:30,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:30,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:30,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:30,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,333 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:30,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:30,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:30,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:30,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:30,351 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:30,370 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:30,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:30,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:30,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:30,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:30,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,393 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:30,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:30,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:30,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:30,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:30,404 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:30,408 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:30,408 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fc16be7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,408 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:30,410 INFO L158 Benchmark]: Toolchain (without parser) took 605.51ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 49.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,410 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,411 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.95ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 78.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,412 INFO L158 Benchmark]: Boogie Preprocessor took 29.82ms. Allocated memory is still 127.9MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,413 INFO L158 Benchmark]: RCFGBuilder took 247.62ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,413 INFO L158 Benchmark]: Referee took 146.20ms. Allocated memory is still 127.9MB. Free memory was 62.2MB in the beginning and 49.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 15. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.95ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 78.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.82ms. Allocated memory is still 127.9MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.62ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 146.20ms. Allocated memory is still 127.9MB. Free memory was 62.2MB in the beginning and 49.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:30,437 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/id_i10_o10-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i10_o10-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:54:32,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:32,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:32,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:32,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:32,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:32,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:32,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:32,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:32,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:32,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:32,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:32,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:32,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:32,246 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:32,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:32,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:32,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:32,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:32,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:32,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:32,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:32,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:32,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:32,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:32,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:32,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:32,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:32,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:32,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:32,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:32,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:32,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:32,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:32,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:32,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:32,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:32,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:32,258 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:32,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:32,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:32,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:32,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:32,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:32,260 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:32,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:32,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:32,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:32,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:32,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:32,528 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:32,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-09-11 20:54:33,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:33,962 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:33,962 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-09-11 20:54:33,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b08483baa/d54f4196d88c45f1a4fc6d73d695ffa4/FLAG1fc0554d7 [2024-09-11 20:54:33,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b08483baa/d54f4196d88c45f1a4fc6d73d695ffa4 [2024-09-11 20:54:33,985 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:33,986 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:33,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i10_o10-2.yml/witness-2.1.yml [2024-09-11 20:54:34,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:34,027 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:34,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:34,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:34,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:34,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:34,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7a97ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:34,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6edf796c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,039 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 08:54:34" (2/2) ... [2024-09-11 20:54:34,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7a97ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,039 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 08:54:34" (2/2) ... [2024-09-11 20:54:34,043 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:34,045 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (((((((((((((3 == \result) && (\old(x) == 3)) || ((\old(x) == 6) && (6 == \result))) || ((9 == \result) && (\old(x) == 9))) || ((2 == \result) && (\old(x) == 2))) || ((10 == \result) && (\old(x) == 10))) || ((5 == \result) && (5 == \old(x)))) || ((8 == \result) && (\old(x) == 8))) || ((7 == \result) && (7 == \old(x)))) || (10 < \old(x))) || ((\result == 1) && (\old(x) == 1))) || ((\old(x) == 4) && (4 == \result))) || ((\result == 0) && (\old(x) == 0))) [2024-09-11 20:54:34,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:34,190 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/id_i10_o10-2.c[454,467] [2024-09-11 20:54:34,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:34,224 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:34,263 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/id_i10_o10-2.c[454,467] [2024-09-11 20:54:34,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:34,276 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:34,277 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:34 WrapperNode [2024-09-11 20:54:34,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:34,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:34,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:34,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:34,288 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,288 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,294 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,301 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 [2024-09-11 20:54:34,301 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,302 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,314 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,315 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,315 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,317 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:34,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:34,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:34,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:34,321 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 08:54:34" (1/1) ... [2024-09-11 20:54:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:34,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:34,345 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 20:54:34,347 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 20:54:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:34,446 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:34,449 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:34,619 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:34,619 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:34,640 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:34,640 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:34,641 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:34 BoogieIcfgContainer [2024-09-11 20:54:34,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:34,644 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:34,644 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:34,645 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:34,645 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:33" (1/4) ... [2024-09-11 20:54:34,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ffcb366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,645 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 08:54:34" (2/4) ... [2024-09-11 20:54:34,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ffcb366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,645 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 08:54:34" (3/4) ... [2024-09-11 20:54:34,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ffcb366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,646 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 08:54:34" (4/4) ... [2024-09-11 20:54:34,647 INFO L79 RefereeObserver]: Analyzing ICFG id_i10_o10-2.c [2024-09-11 20:54:34,651 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:34,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:34,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:34,655 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:34,706 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:34,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,725 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:34,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,741 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:34,770 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:34,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,790 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:34,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,819 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:34,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ffcb366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,821 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:34,822 INFO L158 Benchmark]: Toolchain (without parser) took 794.20ms. Allocated memory is still 88.1MB. Free memory was 53.4MB in the beginning and 56.0MB in the end (delta: -2.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,822 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,823 INFO L158 Benchmark]: Witness Parser took 1.41ms. Allocated memory is still 88.1MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.04ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 64.2MB in the end (delta: -11.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,824 INFO L158 Benchmark]: Boogie Preprocessor took 41.00ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 62.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,824 INFO L158 Benchmark]: RCFGBuilder took 323.75ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 45.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,825 INFO L158 Benchmark]: Referee took 176.69ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 56.0MB in the end (delta: -10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure id to exit of procedure id. One counterexample starts in \old(x)=-2147483648 and ends in \old(x)=-2147483648, \result=0, x=0. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.41ms. Allocated memory is still 88.1MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.04ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 64.2MB in the end (delta: -11.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.00ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 62.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.75ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 45.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 176.69ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 56.0MB in the end (delta: -10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:34,852 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE