./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/nla-digbench-scaling/prod4br-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:21,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:21,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:21,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:21,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:21,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:21,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:21,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:21,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:21,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:21,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:21,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:21,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:21,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:21,256 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:21,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:21,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:21,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:21,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:21,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:21,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:21,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:21,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:21,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:21,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:21,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:21,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:21,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:21,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:21,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:21,262 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:21,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:21,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:21,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:21,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:21,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:21,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:21,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:21,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:21,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:21,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:21,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:21,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:21,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:21,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:21,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:21,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:21,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:21,559 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:21,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2024-09-25 00:30:22,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:23,173 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:23,173 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2024-09-25 00:30:23,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2bb81a632/17ada2de0bce4b79958b8a0b45afa852/FLAG9c6686603 [2024-09-25 00:30:23,194 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2bb81a632/17ada2de0bce4b79958b8a0b45afa852 [2024-09-25 00:30:23,196 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:23,197 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:23,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound1.yml/witness-2.1.yml [2024-09-25 00:30:23,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:23,244 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:23,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:23,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:23,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:23,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:23" (1/2) ... [2024-09-25 00:30:23,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608bbd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:23" (1/2) ... [2024-09-25 00:30:23,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e80480f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:23" (2/2) ... [2024-09-25 00:30:23,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608bbd60 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:23" (2/2) ... [2024-09-25 00:30:23,267 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:23,268 INFO L1541 ArrayList]: Loop invariant at [L34-L55] ((((y == 1) && (0 <= x)) && (x <= 1)) && ((q + (((__int128) b * a) * p)) == ((long long) y * x))) [2024-09-25 00:30:23,269 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:23,269 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:23,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:23,458 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c[524,537] [2024-09-25 00:30:23,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:23,504 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:23,547 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c[524,537] Start Parsing Local [2024-09-25 00:30:23,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:23,582 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:23,583 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:23 WrapperNode [2024-09-25 00:30:23,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:23,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:23,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:23,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:23,595 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,596 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,601 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,611 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:23,611 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,611 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,615 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,620 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,621 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,625 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:23,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:23,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:23,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:23,633 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 25.09 12:30:23" (1/1) ... [2024-09-25 00:30:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:23,661 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) [2024-09-25 00:30:23,663 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 [2024-09-25 00:30:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:23,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:23,762 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:23,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:23,938 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:23,951 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:23,977 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:23,977 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:23,978 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:23 BoogieIcfgContainer [2024-09-25 00:30:23,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:23,979 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:23,979 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:23,980 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:23,980 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:23" (1/4) ... [2024-09-25 00:30:23,980 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e2fdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,980 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:23" (2/4) ... [2024-09-25 00:30:23,981 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e2fdd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,981 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 25.09 12:30:23" (3/4) ... [2024-09-25 00:30:23,981 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e2fdd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:23, skipping insertion in model container [2024-09-25 00:30:23,981 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:23" (4/4) ... [2024-09-25 00:30:23,982 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound1.c [2024-09-25 00:30:23,986 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-25 00:30:23,987 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:23,988 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:23,988 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:23,988 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-25 00:30:24,046 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:24,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,064 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:24,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,092 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:24,126 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:24,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,144 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:24,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,152 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:24,171 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:24,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,176 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:24,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,187 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:24,202 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:24,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,213 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:24,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,221 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:24,261 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-25 00:30:24,261 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,262 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,262 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,305 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-25 00:30:24,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,306 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,360 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:24,373 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:24,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,379 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:24,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,383 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:24,396 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:24,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,396 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,399 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:24,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,405 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:24,419 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:24,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:24,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:24,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:24,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:24,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,446 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-25 00:30:24,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:24,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:24,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:24,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:24,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:24,460 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:24,464 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:24,464 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e2fdd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:24, skipping insertion in model container [2024-09-25 00:30:24,464 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:24,466 INFO L158 Benchmark]: Toolchain (without parser) took 1221.53ms. Allocated memory is still 182.5MB. Free memory was 123.1MB in the beginning and 148.7MB in the end (delta: -25.6MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:24,466 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 182.5MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:24,467 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:24,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.67ms. Allocated memory is still 182.5MB. Free memory was 123.1MB in the beginning and 108.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:24,469 INFO L158 Benchmark]: Boogie Preprocessor took 47.32ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:24,471 INFO L158 Benchmark]: RCFGBuilder took 346.30ms. Allocated memory is still 182.5MB. Free memory was 106.7MB in the beginning and 91.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:24,472 INFO L158 Benchmark]: Referee took 485.38ms. Allocated memory is still 182.5MB. Free memory was 91.6MB in the beginning and 148.7MB in the end (delta: -57.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:24,475 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. 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 13. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 182.5MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.67ms. Allocated memory is still 182.5MB. Free memory was 123.1MB in the beginning and 108.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.32ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.30ms. Allocated memory is still 182.5MB. Free memory was 106.7MB in the beginning and 91.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 485.38ms. Allocated memory is still 182.5MB. Free memory was 91.6MB in the beginning and 148.7MB in the end (delta: -57.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:24,502 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 Writing output log to file Ultimate.log Result: TRUE