./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/id_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-dev-a9b967e-m [2024-09-11 20:54:29,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:29,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:29,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:29,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:29,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:29,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:29,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:29,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:29,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:29,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:29,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:29,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:29,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:29,733 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:29,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:29,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:29,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:29,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:29,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:29,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:29,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:29,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:29,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:29,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:29,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:29,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:29,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:29,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:29,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:29,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:29,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:29,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:29,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:29,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:29,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:29,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:29,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:29,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:29,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:29,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:29,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:29,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:29,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:30,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:30,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:30,022 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:30,022 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:30,024 INFO L431 ainManager$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 [2024-09-11 20:54:30,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:30,071 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:30,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-11 20:54:31,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:31,725 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:31,726 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-11 20:54:31,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ee45df2a4/49d5a4ea5c1f427a9631900f8acb4c91/FLAG354295897 [2024-09-11 20:54:31,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ee45df2a4/49d5a4ea5c1f427a9631900f8acb4c91 [2024-09-11 20:54:31,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:31,749 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:31,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:31,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:31,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:31,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:30" (1/2) ... [2024-09-11 20:54:31,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab09b11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:30" (1/2) ... [2024-09-11 20:54:31,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c0314fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:31" (2/2) ... [2024-09-11 20:54:31,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab09b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:31" (2/2) ... [2024-09-11 20:54:31,766 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:31,767 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))) [2024-09-11 20:54:31,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:31,912 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-11 20:54:31,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:31,926 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:31,965 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-11 20:54:31,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:31,982 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:31,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31 WrapperNode [2024-09-11 20:54:31,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:31,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:31,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:31,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:31,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:31,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,018 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:32,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:32,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:32,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:32,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:32,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (1/1) ... [2024-09-11 20:54:32,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:32,063 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 20:54:32,087 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 20:54:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:32,204 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:32,206 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:32,335 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:32,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:32,358 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:32,358 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:32,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:32 BoogieIcfgContainer [2024-09-11 20:54:32,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:32,359 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:32,359 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:32,363 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:32,363 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:30" (1/4) ... [2024-09-11 20:54:32,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a238961 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:31" (2/4) ... [2024-09-11 20:54:32,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a238961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31" (3/4) ... [2024-09-11 20:54:32,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a238961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:32" (4/4) ... [2024-09-11 20:54:32,370 INFO L79 RefereeObserver]: Analyzing ICFG id_i5_o5-2.c [2024-09-11 20:54:32,373 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:32,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:32,375 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:32,375 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:32,428 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:32,433 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:32,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:32,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:32,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:32,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,449 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:32,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:32,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:32,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:32,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:32,470 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:32,494 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:32,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:32,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:32,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:32,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:32,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,535 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:32,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:32,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:32,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:32,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:32,562 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:32,565 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:32,569 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a238961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,570 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:32,571 INFO L158 Benchmark]: Toolchain (without parser) took 823.19ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 81.5MB in the beginning and 147.6MB in the end (delta: -66.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:32,572 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:32,573 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:32,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.91ms. Allocated memory is still 138.4MB. Free memory was 81.5MB in the beginning and 68.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,575 INFO L158 Benchmark]: Boogie Preprocessor took 47.93ms. Allocated memory is still 138.4MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,575 INFO L158 Benchmark]: RCFGBuilder took 325.86ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 66.9MB in the beginning and 158.1MB in the end (delta: -91.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,576 INFO L158 Benchmark]: Referee took 210.27ms. Allocated memory is still 195.0MB. Free memory was 158.1MB in the beginning and 147.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,579 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: * Witness Parser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.91ms. Allocated memory is still 138.4MB. Free memory was 81.5MB in the beginning and 68.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.93ms. Allocated memory is still 138.4MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.86ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 66.9MB in the beginning and 158.1MB in the end (delta: -91.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Referee took 210.27ms. Allocated memory is still 195.0MB. Free memory was 158.1MB in the beginning and 147.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:32,613 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/id_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_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 20:54:34,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:34,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:34,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:34,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:34,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:34,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:34,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:34,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:34,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:34,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:34,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:34,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:34,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:34,847 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:34,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:34,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:34,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:34,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:34,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:34,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:34,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:34,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:34,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:34,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:34,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:34,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:34,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:34,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:34,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:34,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:34,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:34,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:34,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:34,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:34,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:34,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:34,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:34,855 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:34,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:34,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:34,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:34,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:34,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:34,857 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:34,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:35,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:35,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:35,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:35,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:35,185 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:35,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-11 20:54:36,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:36,993 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:36,993 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2024-09-11 20:54:36,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fab6e6675/991d85aa7b2e413b8445732ecf8aa159/FLAG94814f538 [2024-09-11 20:54:37,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fab6e6675/991d85aa7b2e413b8445732ecf8aa159 [2024-09-11 20:54:37,013 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:37,014 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:37,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i5_o5-2.yml/witness-2.1.yml [2024-09-11 20:54:37,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:37,064 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:37,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:37,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:37,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:37,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:37" (1/2) ... [2024-09-11 20:54:37,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf8d529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:37" (1/2) ... [2024-09-11 20:54:37,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@132c97a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,074 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 08:54:37" (2/2) ... [2024-09-11 20:54:37,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf8d529 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,075 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 08:54:37" (2/2) ... [2024-09-11 20:54:37,083 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:37,084 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))) [2024-09-11 20:54:37,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:37,272 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-11 20:54:37,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:37,297 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:37,341 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2024-09-11 20:54:37,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:37,357 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:37,358 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:37 WrapperNode [2024-09-11 20:54:37,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:37,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:37,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:37,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:37,373 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,373 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,382 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,391 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:37,392 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,392 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,397 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,399 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,400 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,401 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:37,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:37,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:37,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:37,404 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 08:54:37" (1/1) ... [2024-09-11 20:54:37,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:37,440 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 20:54:37,447 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 20:54:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:37,569 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:37,571 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:37,768 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:37,769 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:37,803 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:37,803 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:37,804 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:37 BoogieIcfgContainer [2024-09-11 20:54:37,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:37,806 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:37,806 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:37,806 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:37,807 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:37" (1/4) ... [2024-09-11 20:54:37,807 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@782efbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,807 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 08:54:37" (2/4) ... [2024-09-11 20:54:37,808 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@782efbe8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,808 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 08:54:37" (3/4) ... [2024-09-11 20:54:37,809 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@782efbe8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,809 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 08:54:37" (4/4) ... [2024-09-11 20:54:37,810 INFO L79 RefereeObserver]: Analyzing ICFG id_i5_o5-2.c [2024-09-11 20:54:37,813 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:37,814 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:37,815 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:37,815 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:37,873 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:37,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:37,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:37,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:37,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:37,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,894 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:37,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:37,896 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:37,896 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:37,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:37,914 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:37,941 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:37,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:37,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:37,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:37,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:37,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,968 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:37,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:37,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:37,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:37,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:37,993 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:37,994 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@782efbe8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,994 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:37,996 INFO L158 Benchmark]: Toolchain (without parser) took 931.19ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 32.0MB in the end (delta: 8.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,997 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 56.6MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:37,997 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:37,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.09ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 44.7MB in the end (delta: -4.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,999 INFO L158 Benchmark]: Boogie Preprocessor took 43.52ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:38,000 INFO L158 Benchmark]: RCFGBuilder took 401.45ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 47.3MB in the end (delta: -4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:38,001 INFO L158 Benchmark]: Referee took 188.68ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 32.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:38,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure id to exit of procedure id. One counterexample starts in \old(x)=-2147483648 and ends in \old(x)=-2147483648, \result=0, x=0. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 56.6MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.09ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 44.7MB in the end (delta: -4.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.52ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.45ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 47.3MB in the end (delta: -4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 188.68ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 32.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:38,036 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE