./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b5_o10.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/id2_b5_o10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b5_o10.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 20:54:26,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:26,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:26,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:26,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:26,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:26,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:26,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:26,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:26,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:26,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:26,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:26,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:26,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:26,205 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:26,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:26,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:26,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:26,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:26,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:26,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:26,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:26,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:26,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:26,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:26,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:26,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:26,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:26,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:26,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:26,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:26,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:26,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:26,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:26,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:26,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:26,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:26,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:26,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:26,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:26,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:26,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:26,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:26,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:26,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:26,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:26,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:26,434 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:26,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2024-09-11 20:54:27,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:28,002 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:28,003 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2024-09-11 20:54:28,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/71b129775/61f470d5be6e4a9fa8c7efe67909f21a/FLAGfd64d77fa [2024-09-11 20:54:28,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/71b129775/61f470d5be6e4a9fa8c7efe67909f21a [2024-09-11 20:54:28,035 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:28,037 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:28,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b5_o10.yml/witness-2.1.yml [2024-09-11 20:54:28,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:28,080 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:28,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:28,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:28,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:28,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:28" (1/2) ... [2024-09-11 20:54:28,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e6a700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:28" (1/2) ... [2024-09-11 20:54:28,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71b671e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,090 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 08:54:28" (2/2) ... [2024-09-11 20:54:28,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e6a700 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,090 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 08:54:28" (2/2) ... [2024-09-11 20:54:28,096 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:28,096 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((\result % 4294967296) < 10) [2024-09-11 20:54:28,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:28,238 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/id2_b5_o10.c[773,786] [2024-09-11 20:54:28,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,248 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:28,276 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/id2_b5_o10.c[773,786] [2024-09-11 20:54:28,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,287 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:28,288 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:28 WrapperNode [2024-09-11 20:54:28,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:28,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:28,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:28,298 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,298 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,302 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,308 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 20:54:28,308 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,308 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,311 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,312 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,312 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,313 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:28,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:28,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:28,316 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:28,337 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 20:54:28,341 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 20:54:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:28,492 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:28,499 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:28,774 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:28,774 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:28,793 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:28,794 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:28,794 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:28 BoogieIcfgContainer [2024-09-11 20:54:28,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:28,795 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:28,795 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:28,795 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:28,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:28" (1/4) ... [2024-09-11 20:54:28,796 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78123575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,796 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 08:54:28" (2/4) ... [2024-09-11 20:54:28,796 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78123575 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,796 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 08:54:28" (3/4) ... [2024-09-11 20:54:28,797 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78123575 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,797 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 08:54:28" (4/4) ... [2024-09-11 20:54:28,797 INFO L79 RefereeObserver]: Analyzing ICFG id2_b5_o10.c [2024-09-11 20:54:28,800 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:28,800 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:28,801 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:28,801 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:28,830 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:28,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:28,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:28,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:28,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:28,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,857 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:28,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:28,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:28,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:28,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:28,879 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:28,894 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:28,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:28,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:28,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:28,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:28,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,915 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:28,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:28,918 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:28,918 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:28,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:28,928 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:28,930 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:28,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78123575 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,933 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:28,934 INFO L158 Benchmark]: Toolchain (without parser) took 852.85ms. Allocated memory is still 167.8MB. Free memory was 99.5MB in the beginning and 113.8MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:28,934 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 113.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:28,935 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 101.3MB in the end (delta: 183.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.29ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 138.1MB in the end (delta: -38.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,936 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,937 INFO L158 Benchmark]: RCFGBuilder took 479.46ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,938 INFO L158 Benchmark]: Referee took 138.01ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 113.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,940 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 27. 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 0.69ms. Allocated memory is still 113.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 101.3MB in the end (delta: 183.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.29ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 138.1MB in the end (delta: -38.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.46ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 138.01ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 113.8MB 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 20:54:28,970 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/id2_b5_o10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b5_o10.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 20:54:31,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:31,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:31,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:31,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:31,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:31,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:31,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:31,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:31,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:31,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:31,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:31,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:31,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:31,197 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:31,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:31,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:31,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:31,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:31,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:31,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:31,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:31,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:31,199 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:31,199 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:31,199 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:31,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:31,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:31,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:31,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:31,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:31,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:31,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:31,201 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:31,202 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:31,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:31,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:31,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:31,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:31,206 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:31,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:31,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:31,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:31,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:31,529 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:31,530 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:31,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b5_o10.yml/witness-2.1.yml [2024-09-11 20:54:31,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:31,569 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:31,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2024-09-11 20:54:32,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:33,141 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:33,142 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2024-09-11 20:54:33,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/edda978ef/18be956b1ba249cd84fa21b7cca58532/FLAG5c7317fc4 [2024-09-11 20:54:33,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/edda978ef/18be956b1ba249cd84fa21b7cca58532 [2024-09-11 20:54:33,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:33,158 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:33,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:33,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:33,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:31" (1/2) ... [2024-09-11 20:54:33,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3aedb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:31" (1/2) ... [2024-09-11 20:54:33,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17a7344d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (2/2) ... [2024-09-11 20:54:33,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3aedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (2/2) ... [2024-09-11 20:54:33,171 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:33,172 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((\result % 4294967296) < 10) [2024-09-11 20:54:33,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:33,329 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/id2_b5_o10.c[773,786] [2024-09-11 20:54:33,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,347 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:33,376 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/id2_b5_o10.c[773,786] [2024-09-11 20:54:33,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,390 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:33,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33 WrapperNode [2024-09-11 20:54:33,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:33,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:33,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:33,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,426 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 20:54:33,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:33,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:33,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:33,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:33,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:33,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:33,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:33,471 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 20:54:33,473 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 20:54:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:33,581 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:33,583 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:33,686 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:33,687 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:33,701 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:33,702 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:33,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:33 BoogieIcfgContainer [2024-09-11 20:54:33,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:33,702 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:33,703 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:33,703 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:33,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:31" (1/4) ... [2024-09-11 20:54:33,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cf799f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,704 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:33" (2/4) ... [2024-09-11 20:54:33,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cf799f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,704 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33" (3/4) ... [2024-09-11 20:54:33,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cf799f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,704 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:33" (4/4) ... [2024-09-11 20:54:33,705 INFO L79 RefereeObserver]: Analyzing ICFG id2_b5_o10.c [2024-09-11 20:54:33,717 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:33,717 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:33,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:33,718 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:33,742 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:33,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:33,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:33,743 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:33,744 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:33,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:33,753 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:33,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:33,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:33,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:33,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:33,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:33,767 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:33,775 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:33,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:33,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:33,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:33,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:33,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:33,784 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:33,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:33,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:33,785 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:33,785 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:33,790 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:33,793 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:33,795 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:33,796 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cf799f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,796 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:33,797 INFO L158 Benchmark]: Toolchain (without parser) took 638.09ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 47.1MB in the end (delta: -4.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:33,797 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 48.2MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:33,798 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory is still 23.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:33,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.72ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 50.8MB in the end (delta: -8.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:33,799 INFO L158 Benchmark]: Boogie Preprocessor took 50.03ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:33,799 INFO L158 Benchmark]: RCFGBuilder took 259.76ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 35.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:33,800 INFO L158 Benchmark]: Referee took 93.39ms. Allocated memory is still 77.6MB. Free memory was 35.4MB in the beginning and 47.1MB in the end (delta: -11.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:33,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.86ms. Allocated memory is still 48.2MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory is still 23.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.72ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 50.8MB in the end (delta: -8.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.03ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.76ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 35.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 93.39ms. Allocated memory is still 77.6MB. Free memory was 35.4MB in the beginning and 47.1MB in the end (delta: -11.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:33,822 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