./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b3_o5-2.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_b3_o5-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b3_o5-2.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 20:54:27,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:28,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:28,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:28,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:28,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:28,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:28,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:28,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:28,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:28,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:28,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:28,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:28,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:28,076 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:28,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:28,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:28,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:28,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:28,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:28,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:28,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:28,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:28,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:28,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:28,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:28,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:28,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:28,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:28,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:28,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:28,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:28,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:28,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:28,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:28,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:28,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:28,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:28,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:28,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:28,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:28,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:28,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:28,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:28,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:28,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:28,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:28,370 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:28,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2024-09-11 20:54:29,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:29,961 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:29,962 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2024-09-11 20:54:29,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b1e49408a/2cf41725b31d4f399eccc277080a770c/FLAG2e0456b71 [2024-09-11 20:54:29,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b1e49408a/2cf41725b31d4f399eccc277080a770c [2024-09-11 20:54:29,980 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:29,981 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:29,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_b3_o5-2.yml/witness-2.1.yml [2024-09-11 20:54:30,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:30,025 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:30,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:30,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:30,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:30,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:30,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604f7f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:30,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b629395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,037 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 08:54:30" (2/2) ... [2024-09-11 20:54:30,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604f7f70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,038 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 08:54:30" (2/2) ... [2024-09-11 20:54:30,045 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:30,045 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\result < 4) [2024-09-11 20:54:30,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:30,211 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_b3_o5-2.c[528,541] [2024-09-11 20:54:30,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:30,226 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:30,260 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_b3_o5-2.c[528,541] [2024-09-11 20:54:30,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:30,273 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:30,274 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:30 WrapperNode [2024-09-11 20:54:30,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:30,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:30,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:30,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:30,290 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,291 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,297 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,311 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 20:54:30,311 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,311 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,314 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,315 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,316 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,320 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:30,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:30,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:30,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:30,326 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 08:54:30" (1/1) ... [2024-09-11 20:54:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:30,363 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 20:54:30,367 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 20:54:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:30,485 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:30,487 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:30,648 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:30,651 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:30,678 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:30,678 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:30,679 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 20:54:30,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:30,680 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:30,680 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:30,681 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:30,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:29" (1/4) ... [2024-09-11 20:54:30,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ee93bc9 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 20:54:30,682 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 08:54:30" (2/4) ... [2024-09-11 20:54:30,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ee93bc9 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 20:54:30,682 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 08:54:30" (3/4) ... [2024-09-11 20:54:30,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ee93bc9 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 20:54:30,683 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 20:54:30,684 INFO L79 RefereeObserver]: Analyzing ICFG id_b3_o5-2.c [2024-09-11 20:54:30,688 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:30,689 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:30,689 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:30,689 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:30,720 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:30,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:30,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:30,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:30,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:30,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,746 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:30,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:30,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:30,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:30,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:30,771 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:30,780 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:30,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:30,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:30,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:30,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:30,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,798 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:30,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:30,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:30,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:30,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:30,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:30,810 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:30,813 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:30,814 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ee93bc9 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 20:54:30,814 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:30,817 INFO L158 Benchmark]: Toolchain (without parser) took 791.44ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 69.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,818 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,819 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 107.1MB in the end (delta: 68.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.99ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 92.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,820 INFO L158 Benchmark]: Boogie Preprocessor took 47.33ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,822 INFO L158 Benchmark]: RCFGBuilder took 355.62ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 77.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,823 INFO L158 Benchmark]: Referee took 133.82ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 69.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,827 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 17. 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 0.22ms. Allocated memory is still 159.4MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 107.1MB in the end (delta: 68.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.99ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 92.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.33ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.62ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 77.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 133.82ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 69.3MB in the end (delta: 8.5MB). 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 20:54:30,853 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_b3_o5-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b3_o5-2.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 20:54:33,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:33,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:33,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:33,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:33,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:33,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:33,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:33,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:33,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:33,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:33,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:33,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:33,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:33,135 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:33,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:33,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:33,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:33,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:33,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:33,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:33,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:33,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:33,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:33,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:33,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:33,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:33,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:33,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:33,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:33,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:33,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:33,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:33,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:33,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:33,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:33,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:33,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:33,149 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:33,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:33,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:33,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:33,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:33,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:33,151 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:33,151 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:33,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:33,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:33,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:33,496 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:33,496 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:33,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_b3_o5-2.yml/witness-2.1.yml [2024-09-11 20:54:33,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:33,550 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:33,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2024-09-11 20:54:35,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:35,305 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:35,306 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2024-09-11 20:54:35,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0ee56b286/ba63db6dc284431385e33cfb85a35e5c/FLAG3dc6f4913 [2024-09-11 20:54:35,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0ee56b286/ba63db6dc284431385e33cfb85a35e5c [2024-09-11 20:54:35,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:35,329 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:35,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:35,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:35,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:35,337 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 08:54:33" (1/2) ... [2024-09-11 20:54:35,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241191e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,338 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 08:54:33" (1/2) ... [2024-09-11 20:54:35,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@468ee5c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (2/2) ... [2024-09-11 20:54:35,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241191e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (2/2) ... [2024-09-11 20:54:35,352 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:35,353 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\result < 4) [2024-09-11 20:54:35,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:35,538 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_b3_o5-2.c[528,541] [2024-09-11 20:54:35,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,566 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:35,614 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_b3_o5-2.c[528,541] [2024-09-11 20:54:35,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,631 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:35,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35 WrapperNode [2024-09-11 20:54:35,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:35,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:35,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:35,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,661 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 20:54:35,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:35,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:35,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:35,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (1/1) ... [2024-09-11 20:54:35,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:35,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:54:35,720 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:54:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:35,831 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:35,833 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:35,999 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:35,999 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:36,035 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:36,036 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:36,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:36 BoogieIcfgContainer [2024-09-11 20:54:36,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:36,038 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:36,039 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:36,040 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:36,040 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 08:54:33" (1/4) ... [2024-09-11 20:54:36,041 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6afdb8a5 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 20:54:36,042 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:35" (2/4) ... [2024-09-11 20:54:36,042 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6afdb8a5 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 20:54:36,042 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35" (3/4) ... [2024-09-11 20:54:36,042 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6afdb8a5 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 20:54:36,043 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:36" (4/4) ... [2024-09-11 20:54:36,044 INFO L79 RefereeObserver]: Analyzing ICFG id_b3_o5-2.c [2024-09-11 20:54:36,047 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:36,048 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:36,049 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:36,049 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:36,103 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:36,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:36,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:36,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:36,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:36,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,119 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:36,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:36,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:36,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:36,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:36,139 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:36,157 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:36,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:36,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:36,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:36,159 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:36,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,181 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:36,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:36,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:36,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:36,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:36,196 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:36,199 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:36,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6afdb8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,200 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:36,202 INFO L158 Benchmark]: Toolchain (without parser) took 871.31ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 53.0MB in the end (delta: -13.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,202 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:36,203 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 21.2MB in the beginning and 21.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:36,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.95ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 43.9MB in the end (delta: -4.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,204 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,206 INFO L158 Benchmark]: RCFGBuilder took 354.47ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 29.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,207 INFO L158 Benchmark]: Referee took 161.33ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 53.0MB in the end (delta: -23.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,210 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 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.94ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 21.2MB in the beginning and 21.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.95ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 43.9MB in the end (delta: -4.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 41.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.47ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 29.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 161.33ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 53.0MB in the end (delta: -23.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:36,238 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN