./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/NetBSD_loop.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/loop-invgen/NetBSD_loop.i ../results/automizer-verification-files/SV-COMP24_unreach-call/NetBSD_loop.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 20:46:41,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:41,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:41,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:41,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:41,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:41,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:41,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:41,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:41,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:41,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:41,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:41,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:41,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:41,627 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:41,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:41,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:41,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:41,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:41,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:41,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:41,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:41,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:41,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:41,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:41,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:41,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:41,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:41,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:41,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:41,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:41,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:41,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:41,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:41,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:41,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:41,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:41,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:41,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:41,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:41,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:41,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:41,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:41,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:41,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:41,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:41,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:41,976 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:41,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-09-11 20:46:43,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:43,618 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:43,619 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-09-11 20:46:43,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8fb3aa0d9/0e520e56476a4601a6d13a92d7ea32a9/FLAG70a172f7d [2024-09-11 20:46:43,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8fb3aa0d9/0e520e56476a4601a6d13a92d7ea32a9 [2024-09-11 20:46:43,652 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:43,653 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:43,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/NetBSD_loop.yml/witness-2.1.yml [2024-09-11 20:46:43,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:43,711 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:43,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:43,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:43,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:43,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:43" (1/2) ... [2024-09-11 20:46:43,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f545f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:43" (1/2) ... [2024-09-11 20:46:43,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a1b4cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,723 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 08:46:43" (2/2) ... [2024-09-11 20:46:43,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f545f81 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,724 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 08:46:43" (2/2) ... [2024-09-11 20:46:43,734 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:43,735 INFO L1541 ArrayList]: Loop invariant at [L38-L43] ((0 <= glob2_p_off) && (glob2_pathlim_off <= MAXPATHLEN)) [2024-09-11 20:46:43,735 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:43,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:43,936 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/loop-invgen/NetBSD_loop.i[893,906] [2024-09-11 20:46:43,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:43,967 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:44,009 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/loop-invgen/NetBSD_loop.i[893,906] Start Parsing Local [2024-09-11 20:46:44,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:44,033 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:44,034 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:44 WrapperNode [2024-09-11 20:46:44,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:44,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:44,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:44,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:44,049 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,049 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,056 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,069 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:46:44,069 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,069 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,073 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,078 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,079 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,079 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:44,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:44,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:44,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:44,087 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 08:46:44" (1/1) ... [2024-09-11 20:46:44,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:44,118 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 20:46:44,119 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 20:46:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:46:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:46:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:44,251 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:44,255 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:44,378 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:44,414 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:44,414 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:44,438 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:44,438 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:44,438 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:44 BoogieIcfgContainer [2024-09-11 20:46:44,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:44,439 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:44,439 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:44,440 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:44,440 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:43" (1/4) ... [2024-09-11 20:46:44,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7153c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:44, skipping insertion in model container [2024-09-11 20:46:44,442 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 08:46:43" (2/4) ... [2024-09-11 20:46:44,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7153c6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:44, skipping insertion in model container [2024-09-11 20:46:44,442 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 08:46:44" (3/4) ... [2024-09-11 20:46:44,443 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7153c6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:44, skipping insertion in model container [2024-09-11 20:46:44,443 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 08:46:44" (4/4) ... [2024-09-11 20:46:44,444 INFO L79 RefereeObserver]: Analyzing ICFG NetBSD_loop.i [2024-09-11 20:46:44,447 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:44,448 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:44,448 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:44,448 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:44,448 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:46:44,449 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:44,449 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:44,449 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:44,485 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:44,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,497 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:44,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,512 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:44,525 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:44,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,528 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:44,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,529 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,531 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:44,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:44,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,545 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:44,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,546 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,552 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:44,564 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:46:44,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,585 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:46:44,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,590 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:44,596 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:44,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,599 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:44,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,606 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:44,612 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:44,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:44,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:44,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:44,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:44,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,615 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:44,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:44,619 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:44,622 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:44,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7153c6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:44, skipping insertion in model container [2024-09-11 20:46:44,623 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:44,625 INFO L158 Benchmark]: Toolchain (without parser) took 912.57ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 107.8MB in the end (delta: 17.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,625 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 80.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,625 INFO L158 Benchmark]: Witness Parser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.40ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 110.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,626 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,627 INFO L158 Benchmark]: RCFGBuilder took 352.79ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 122.5MB in the end (delta: -14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,629 INFO L158 Benchmark]: Referee took 184.06ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 107.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,631 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 loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory was 80.7MB in the beginning and 80.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.40ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 110.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.79ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 122.5MB in the end (delta: -14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 184.06ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 107.8MB in the end (delta: 14.7MB). 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 20:46:44,660 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/loop-invgen/NetBSD_loop.i ../results/automizer-verification-files/SV-COMP24_unreach-call/NetBSD_loop.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 20:46:46,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:46,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:46,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:46,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:47,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:47,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:47,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:47,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:47,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:47,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:47,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:47,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:47,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:47,031 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:47,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:47,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:47,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:47,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:47,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:47,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:47,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:47,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:47,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:47,038 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:47,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:47,038 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:47,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:47,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:47,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:47,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:47,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:47,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:47,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:47,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:47,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:47,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:47,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:47,044 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:47,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:47,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:47,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:47,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:47,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:47,045 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:47,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:47,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:47,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:47,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:47,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:47,434 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:47,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-09-11 20:46:49,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:49,269 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:49,270 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2024-09-11 20:46:49,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ade34c645/8a6d76c012874516aa4f3d4fad0a0556/FLAGda2586165 [2024-09-11 20:46:49,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ade34c645/8a6d76c012874516aa4f3d4fad0a0556 [2024-09-11 20:46:49,309 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:49,310 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:49,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/NetBSD_loop.yml/witness-2.1.yml [2024-09-11 20:46:49,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:49,388 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:49,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:49,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:49,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:49,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:49" (1/2) ... [2024-09-11 20:46:49,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e68150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:49, skipping insertion in model container [2024-09-11 20:46:49,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:49" (1/2) ... [2024-09-11 20:46:49,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f732339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:49, skipping insertion in model container [2024-09-11 20:46:49,403 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 08:46:49" (2/2) ... [2024-09-11 20:46:49,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e68150 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:49, skipping insertion in model container [2024-09-11 20:46:49,403 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 08:46:49" (2/2) ... [2024-09-11 20:46:49,414 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:49,415 INFO L1541 ArrayList]: Loop invariant at [L38-L43] ((0 <= glob2_p_off) && (glob2_pathlim_off <= MAXPATHLEN)) [2024-09-11 20:46:49,415 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:49,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:49,610 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/loop-invgen/NetBSD_loop.i[893,906] [2024-09-11 20:46:49,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:49,643 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:49,681 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/loop-invgen/NetBSD_loop.i[893,906] Start Parsing Local [2024-09-11 20:46:49,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:49,708 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:49,709 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:49 WrapperNode [2024-09-11 20:46:49,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:49,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:49,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:49,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:49,724 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,724 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,732 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,742 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:46:49,743 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,744 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,754 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,762 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,763 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,768 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:49,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:49,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:49,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:49,776 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 08:46:49" (1/1) ... [2024-09-11 20:46:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:49,808 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 20:46:49,815 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 20:46:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:46:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:46:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:46:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:49,968 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:49,970 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:50,104 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:50,154 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:50,155 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:50,193 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:50,194 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:50,194 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:50 BoogieIcfgContainer [2024-09-11 20:46:50,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:50,195 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:50,195 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:50,196 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:50,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:49" (1/4) ... [2024-09-11 20:46:50,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672891a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,198 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 08:46:49" (2/4) ... [2024-09-11 20:46:50,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672891a6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,199 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 08:46:49" (3/4) ... [2024-09-11 20:46:50,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672891a6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,199 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 08:46:50" (4/4) ... [2024-09-11 20:46:50,200 INFO L79 RefereeObserver]: Analyzing ICFG NetBSD_loop.i [2024-09-11 20:46:50,204 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:50,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:50,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:50,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:50,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:46:50,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:50,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:50,206 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:46:50,250 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:50,251 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,275 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:50,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,277 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,336 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:50,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,337 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,337 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,340 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:50,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,345 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:50,362 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:50,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,373 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:50,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,380 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:50,394 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:46:50,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,425 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:46:50,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,425 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,432 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:50,442 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:50,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,450 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:50,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,454 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,459 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:50,474 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:50,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:50,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:50,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:50,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:50,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,477 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:50,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:50,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:50,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:50,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:50,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:50,481 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:50,489 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:46:50,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672891a6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,490 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:50,492 INFO L158 Benchmark]: Toolchain (without parser) took 1103.27ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 40.7MB in the end (delta: 7.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:50,493 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:50,493 INFO L158 Benchmark]: Witness Parser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:50,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.45ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 34.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:50,494 INFO L158 Benchmark]: Boogie Preprocessor took 63.05ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 31.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:50,495 INFO L158 Benchmark]: RCFGBuilder took 419.53ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 36.8MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:50,495 INFO L158 Benchmark]: Referee took 295.18ms. Allocated memory is still 67.1MB. Free memory was 36.8MB in the beginning and 40.7MB in the end (delta: -3.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:50,498 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 loop head at line 38 to check that procedure precondition always holds at line 41. One counterexample starts in glob2_p_off=754289453, glob2_pathlim_off=1828031148, MAXPATHLEN=2147483647 and ends in glob2_pathlim_off=1828031148. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.45ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 34.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.05ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 31.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.53ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 36.8MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 295.18ms. Allocated memory is still 67.1MB. Free memory was 36.8MB in the beginning and 40.7MB in the end (delta: -3.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:50,527 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