./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i5_o5-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i5_o5-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:37,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:37,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:37,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:37,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:37,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:37,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:37,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:37,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:37,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:37,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:37,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:37,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:37,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:37,615 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:37,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:37,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:37,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:37,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:37,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:37,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:37,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:37,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:37,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:37,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:37,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:37,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:37,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:37,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:37,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:37,620 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:37,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:37,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:37,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:37,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:37,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:37,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:37,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:37,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:37,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:37,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:37,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:37,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:37,624 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:37,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:37,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:37,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:37,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:37,836 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:37,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-20 13:29:39,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:39,372 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:39,373 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-20 13:29:39,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/29f730c18/a72c8149a2e449798470e35bb7f8419d/FLAGdb1ea8a25 [2024-09-20 13:29:39,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/29f730c18/a72c8149a2e449798470e35bb7f8419d [2024-09-20 13:29:39,394 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:39,398 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:39,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i5_o5-2.yml/witness-2.1.yml [2024-09-20 13:29:39,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:39,446 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:39,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:39,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:39,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:39,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:39" (1/2) ... [2024-09-20 13:29:39,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d52b089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:39" (1/2) ... [2024-09-20 13:29:39,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12492657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:39" (2/2) ... [2024-09-20 13:29:39,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d52b089 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:39" (2/2) ... [2024-09-20 13:29:39,464 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:29:39,465 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures ((((((((3 == \result) && (\old(x) == 3)) || ((2 == \result) && (\old(x) == 2))) || ((5 == \result) && (5 == \old(x)))) || ((\result == 1) && (\old(x) == 1))) || ((\old(x) == 4) && (4 == \result))) || ((\result == 0) && (\old(x) == 0))) || (5 < \old(x))) [2024-09-20 13:29:39,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:39,621 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-20 13:29:39,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:39,640 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 13:29:39,688 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-20 13:29:39,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:39,702 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:39,702 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:39 WrapperNode [2024-09-20 13:29:39,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:39,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:39,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:39,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:39,712 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,713 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,717 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,723 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:29:39,723 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,723 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,726 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,726 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,727 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,727 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:39,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:39,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:39,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:39,742 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:39,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:29:39,773 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:29:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-20 13:29:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:29:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:29:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:29:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:39,866 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:39,868 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:39,976 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:39,999 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:40,000 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:29:40,000 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:40 BoogieIcfgContainer [2024-09-20 13:29:40,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:40,002 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:40,002 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:40,003 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:40,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:39" (1/4) ... [2024-09-20 13:29:40,004 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28ec5b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,005 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:39" (2/4) ... [2024-09-20 13:29:40,005 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28ec5b6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,005 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 20.09 01:29:39" (3/4) ... [2024-09-20 13:29:40,005 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28ec5b6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:40" (4/4) ... [2024-09-20 13:29:40,007 INFO L79 RefereeObserver]: Analyzing ICFG id_i5_o5-2.c [2024-09-20 13:29:40,010 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:29:40,011 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-20 13:29:40,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:29:40,012 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:29:40,059 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:29:40,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:40,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:40,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:40,061 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:40,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,078 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:29:40,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:40,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:40,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:40,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:40,097 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:29:40,109 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:29:40,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:40,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:40,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:40,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:40,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,134 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-20 13:29:40,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:40,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:40,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:40,143 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:40,148 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:40,151 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:29:40,155 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28ec5b6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,155 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:40,157 INFO L158 Benchmark]: Toolchain (without parser) took 710.07ms. Allocated memory was 172.0MB in the beginning and 293.6MB in the end (delta: 121.6MB). Free memory was 97.7MB in the beginning and 241.4MB in the end (delta: -143.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,161 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 124.1MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,162 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.57ms. Allocated memory is still 172.0MB. Free memory was 97.5MB in the beginning and 139.6MB in the end (delta: -42.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,163 INFO L158 Benchmark]: Boogie Preprocessor took 29.69ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 137.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,163 INFO L158 Benchmark]: RCFGBuilder took 268.08ms. Allocated memory was 172.0MB in the beginning and 293.6MB in the end (delta: 121.6MB). Free memory was 137.6MB in the beginning and 252.9MB in the end (delta: -115.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,164 INFO L158 Benchmark]: Referee took 153.72ms. Allocated memory is still 293.6MB. Free memory was 252.9MB in the beginning and 241.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 15. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 124.1MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.57ms. Allocated memory is still 172.0MB. Free memory was 97.5MB in the beginning and 139.6MB in the end (delta: -42.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.69ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 137.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.08ms. Allocated memory was 172.0MB in the beginning and 293.6MB in the end (delta: 121.6MB). Free memory was 137.6MB in the beginning and 252.9MB in the end (delta: -115.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 153.72ms. Allocated memory is still 293.6MB. Free memory was 252.9MB in the beginning and 241.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:29:40,190 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: TRUE