./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-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/afterrec_2calls-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-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 20:54:16,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:16,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:16,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:16,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:16,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:16,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:16,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:16,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:16,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:16,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:16,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:16,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:16,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:16,830 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:16,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:16,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:16,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:16,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:16,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:16,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:16,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:16,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:16,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:16,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:16,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:16,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:16,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:16,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:16,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:16,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:16,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:16,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:16,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:16,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:16,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:16,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:16,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:16,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:16,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:16,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:16,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:16,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:17,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:17,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:17,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:17,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:17,097 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:17,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-11 20:54:18,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:18,709 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:18,710 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-11 20:54:18,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fca7e1439/bd049990f6b84513b1ab30e47adbcc7d/FLAGad477e369 [2024-09-11 20:54:19,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fca7e1439/bd049990f6b84513b1ab30e47adbcc7d [2024-09-11 20:54:19,113 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:19,114 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:19,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-2.yml/witness-2.1.yml [2024-09-11 20:54:19,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:19,166 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:19,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:19,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:19,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:19,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:19" (1/2) ... [2024-09-11 20:54:19,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a87ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:19" (1/2) ... [2024-09-11 20:54:19,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bd64ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,179 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 08:54:19" (2/2) ... [2024-09-11 20:54:19,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a87ea05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,180 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 08:54:19" (2/2) ... [2024-09-11 20:54:19,188 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:19,188 INFO L1541 ArrayList]: Function contract at [L15]: requires 0, ensures 0 [2024-09-11 20:54:19,189 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(n) == 2), ensures (\old(n) == 2) [2024-09-11 20:54:19,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:19,366 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/afterrec_2calls-2.c[354,367] [2024-09-11 20:54:19,376 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/afterrec_2calls-2.c[442,455] [2024-09-11 20:54:19,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:19,393 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:54:19,422 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/afterrec_2calls-2.c[354,367] Start Parsing Global Start Parsing Global [2024-09-11 20:54:19,424 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/afterrec_2calls-2.c[442,455] [2024-09-11 20:54:19,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:19,451 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:19,451 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:19 WrapperNode [2024-09-11 20:54:19,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:19,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:19,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:19,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:19,465 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,465 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,471 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,480 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:19,480 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,481 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,484 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,485 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,485 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,487 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:19,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:19,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:19,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:19,491 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 08:54:19" (1/1) ... [2024-09-11 20:54:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:19,522 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 20:54:19,529 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 20:54:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-11 20:54:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-09-11 20:54:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:19,644 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:19,647 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:19,673 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:54:19,716 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:54:19,779 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:19,780 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:19,809 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:19,810 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:19,810 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:19 BoogieIcfgContainer [2024-09-11 20:54:19,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:19,811 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:19,811 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:19,812 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:19,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:19" (1/4) ... [2024-09-11 20:54:19,814 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20b2153e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,814 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 08:54:19" (2/4) ... [2024-09-11 20:54:19,815 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20b2153e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,815 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 08:54:19" (3/4) ... [2024-09-11 20:54:19,815 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20b2153e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,815 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 08:54:19" (4/4) ... [2024-09-11 20:54:19,817 INFO L79 RefereeObserver]: Analyzing ICFG afterrec_2calls-2.c [2024-09-11 20:54:19,821 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:19,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:19,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:19,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:54:19,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:54:19,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 1 edges. [2024-09-11 20:54:19,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:19,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:19,823 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:19,860 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:19,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,888 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:19,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,894 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,912 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:19,926 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:19,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,933 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:19,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,940 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:19,948 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:19,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,951 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:19,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,954 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:19,960 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:19,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,966 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:19,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,971 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:19,980 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-11 20:54:19,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,984 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:19,990 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:19,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,994 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:19,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,995 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,996 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:20,002 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:20,003 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:20,003 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:20,003 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:20,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:20,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:20,007 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:20,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:20,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:20,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:20,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:20,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:20,010 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:20,013 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:20,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20b2153e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:20, skipping insertion in model container [2024-09-11 20:54:20,014 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:20,016 INFO L158 Benchmark]: Toolchain (without parser) took 849.23ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 111.1MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:20,016 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:20,017 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:20,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.67ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 138.7MB in the end (delta: -42.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,018 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 136.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,018 INFO L158 Benchmark]: RCFGBuilder took 320.97ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 124.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,019 INFO L158 Benchmark]: Referee took 203.05ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 111.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,021 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 f to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. Annotation is valid for all loop-free paths from entry of procedure f2 to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure f to check that procedure precondition always holds at line 11. Annotation is valid for all loop-free paths from entry of procedure f2 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure f2 to exit of procedure f2. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.67ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 138.7MB in the end (delta: -42.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 136.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.97ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 124.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 203.05ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 111.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:20,051 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/afterrec_2calls-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-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 20:54:22,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:22,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:22,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:22,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:22,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:22,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:22,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:22,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:22,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:22,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:22,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:22,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:22,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:22,383 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:22,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:22,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:22,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:22,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:22,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:22,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:22,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:22,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:22,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:22,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:22,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:22,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:22,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:22,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:22,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:22,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:22,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:22,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:22,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:22,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:22,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:22,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:22,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:22,394 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:22,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:22,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:22,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:22,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:22,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:22,395 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:22,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:22,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:22,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:22,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:22,745 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:22,745 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:22,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-2.yml/witness-2.1.yml [2024-09-11 20:54:22,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:22,796 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:22,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-11 20:54:24,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:24,549 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:24,550 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-11 20:54:24,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4e1b60390/c52e6dd2e01a40e2bd9386e30d74d3e5/FLAG20c0080a8 [2024-09-11 20:54:24,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4e1b60390/c52e6dd2e01a40e2bd9386e30d74d3e5 [2024-09-11 20:54:24,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:24,950 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:24,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:24,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:24,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:24,959 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 08:54:22" (1/2) ... [2024-09-11 20:54:24,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fffa7f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:24, skipping insertion in model container [2024-09-11 20:54:24,962 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 08:54:22" (1/2) ... [2024-09-11 20:54:24,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f5a6d6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:24, skipping insertion in model container [2024-09-11 20:54:24,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:24" (2/2) ... [2024-09-11 20:54:24,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fffa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:24, skipping insertion in model container [2024-09-11 20:54:24,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:24" (2/2) ... [2024-09-11 20:54:24,978 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:24,978 INFO L1541 ArrayList]: Function contract at [L15]: requires 0, ensures 0 [2024-09-11 20:54:24,979 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(n) == 2), ensures (\old(n) == 2) [2024-09-11 20:54:24,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:25,160 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/afterrec_2calls-2.c[354,367] [2024-09-11 20:54:25,171 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/afterrec_2calls-2.c[442,455] [2024-09-11 20:54:25,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:25,188 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:54:25,240 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/afterrec_2calls-2.c[354,367] Start Parsing Global Start Parsing Global [2024-09-11 20:54:25,242 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/afterrec_2calls-2.c[442,455] [2024-09-11 20:54:25,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:25,263 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:25,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25 WrapperNode [2024-09-11 20:54:25,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:25,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:25,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:25,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:25,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,296 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:25,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:25,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:25,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:25,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:25,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (1/1) ... [2024-09-11 20:54:25,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:25,341 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 20:54:25,348 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 20:54:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-11 20:54:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-09-11 20:54:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:25,455 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:25,457 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:25,476 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:54:25,522 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:54:25,578 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:25,579 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:25,619 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:25,620 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:25,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:25 BoogieIcfgContainer [2024-09-11 20:54:25,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:25,621 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:25,621 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:25,622 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:25,622 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 08:54:22" (1/4) ... [2024-09-11 20:54:25,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4473e944 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:25, skipping insertion in model container [2024-09-11 20:54:25,623 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:24" (2/4) ... [2024-09-11 20:54:25,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4473e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:25, skipping insertion in model container [2024-09-11 20:54:25,623 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:25" (3/4) ... [2024-09-11 20:54:25,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4473e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:25, skipping insertion in model container [2024-09-11 20:54:25,624 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:25" (4/4) ... [2024-09-11 20:54:25,625 INFO L79 RefereeObserver]: Analyzing ICFG afterrec_2calls-2.c [2024-09-11 20:54:25,631 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 1 edges. [2024-09-11 20:54:25,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:25,633 INFO L367 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:25,633 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:25,673 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:25,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,692 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:25,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,713 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:25,731 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:25,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,733 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:25,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,740 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:25,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:25,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,755 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:25,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,761 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:25,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:25,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,780 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:25,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,784 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:25,790 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-11 20:54:25,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,793 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:25,800 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:25,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,803 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:25,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,805 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:25,812 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:25,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:25,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:25,812 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:25,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:25,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,814 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:25,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:25,815 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:25,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:25,815 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:25,816 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:25,817 INFO L514 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:25,821 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:25,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4473e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:25, skipping insertion in model container [2024-09-11 20:54:25,821 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:25,823 INFO L158 Benchmark]: Toolchain (without parser) took 871.59ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 55.6MB in the end (delta: -2.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:25,824 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:25,825 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:25,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.33ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 61.4MB in the end (delta: -8.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:25,827 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:25,828 INFO L158 Benchmark]: RCFGBuilder took 308.09ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 46.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:25,829 INFO L158 Benchmark]: Referee took 200.21ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 55.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:25,832 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 f2 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. Annotation is valid for all loop-free paths from entry of procedure f2 to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure f2 to exit of procedure f2. Annotation is valid for all loop-free paths from entry of procedure f to check that procedure precondition always holds at line 11. Annotation is valid for all loop-free paths from entry of procedure f to check that a call to reach_error is unreachable at line 12. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.33ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 61.4MB in the end (delta: -8.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.30ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.09ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 46.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 200.21ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 55.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:25,862 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