./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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/nla-digbench-scaling/lcm2_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.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-27b4987-m [2024-09-21 12:49:58,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:58,924 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:58,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:58,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:58,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:58,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:58,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:58,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:58,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:58,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:58,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:58,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:58,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:58,966 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:58,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:58,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:58,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:58,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:58,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:58,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:58,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:58,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:58,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:58,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:58,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:58,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:58,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:58,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:58,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:58,973 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:58,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:58,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:58,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:58,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:58,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:58,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:58,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:58,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:58,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:58,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:58,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:58,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:58,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:59,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:59,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:59,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:59,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:59,236 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:59,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-21 12:50:00,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:00,904 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:00,904 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-21 12:50:00,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ce5d05339/27723e9b7c4c4e09a5eeddeb98aa369e/FLAG63083810a [2024-09-21 12:50:00,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ce5d05339/27723e9b7c4c4e09a5eeddeb98aa369e [2024-09-21 12:50:00,932 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:00,933 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:00,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-21 12:50:00,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:00,989 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:00,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:00,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:00,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:00,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:00" (1/2) ... [2024-09-21 12:50:01,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dc268a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:00, skipping insertion in model container [2024-09-21 12:50:01,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:00" (1/2) ... [2024-09-21 12:50:01,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76ec3276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:00" (2/2) ... [2024-09-21 12:50:01,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dc268a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:00" (2/2) ... [2024-09-21 12:50:01,015 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:01,019 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:01,019 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:01,019 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:01,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:01,204 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/lcm2_valuebound2.c[537,550] [2024-09-21 12:50:01,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:01,231 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:01,266 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/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-21 12:50:01,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:01,293 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:01,293 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:01 WrapperNode [2024-09-21 12:50:01,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:01,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:01,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:01,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:01,307 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,308 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,315 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,332 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 [2024-09-21 12:50:01,336 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,336 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,344 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,352 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,353 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,354 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:01,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:01,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:01,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:01,362 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 21.09 12:50:01" (1/1) ... [2024-09-21 12:50:01,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:01,395 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) [2024-09-21 12:50:01,401 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 [2024-09-21 12:50:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:01,517 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:01,520 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:01,828 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:01,849 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:01,882 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:01,882 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:01,883 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:01 BoogieIcfgContainer [2024-09-21 12:50:01,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:01,883 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:01,883 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:01,884 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:01,885 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:00" (1/4) ... [2024-09-21 12:50:01,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46db2f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,886 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:00" (2/4) ... [2024-09-21 12:50:01,887 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46db2f08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,887 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 21.09 12:50:01" (3/4) ... [2024-09-21 12:50:01,887 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46db2f08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,887 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:01" (4/4) ... [2024-09-21 12:50:01,889 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-21 12:50:01,893 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:01,894 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:01,894 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:01,895 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:01,895 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:01,895 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:01,895 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:01,895 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:01,896 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:01,951 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:01,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,964 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:01,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,995 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:02,020 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:02,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,047 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:02,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,055 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:02,077 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:02,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,085 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:02,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,091 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:06,106 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:06,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:06,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:06,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:06,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:06,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,109 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:06,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:06,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:06,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:06,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,113 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:06,122 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:06,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:06,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:06,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:06,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:06,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,124 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:06,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:06,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:06,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:06,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,127 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:06,137 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:06,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:06,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:06,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:06,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:06,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,151 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:06,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:06,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:06,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:06,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,155 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:06,170 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:06,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:06,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:06,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:06,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:06,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,216 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:06,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:06,217 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:06,217 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:06,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:06,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:10,230 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:10,235 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:10,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46db2f08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,236 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:10,237 INFO L158 Benchmark]: Toolchain (without parser) took 9247.36ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 78.3MB in the end (delta: 27.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:10,237 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:10,238 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:10,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.39ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 141.9MB in the end (delta: -36.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:10,239 INFO L158 Benchmark]: Boogie Preprocessor took 66.07ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:10,239 INFO L158 Benchmark]: RCFGBuilder took 522.26ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 122.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:10,239 INFO L158 Benchmark]: Referee took 8352.31ms. Allocated memory is still 176.2MB. Free memory was 122.4MB in the beginning and 78.3MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 12:50:10,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.39ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 141.9MB in the end (delta: -36.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.07ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.26ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 122.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8352.31ms. Allocated memory is still 176.2MB. Free memory was 122.4MB in the beginning and 78.3MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:10,261 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:12,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:12,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:12,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:12,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:12,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:12,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:12,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:12,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:12,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:12,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:12,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:12,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:12,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:12,455 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:12,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:12,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:12,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:12,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:12,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:12,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:12,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:12,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:12,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:12,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:12,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:12,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:12,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:12,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:12,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:12,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:12,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:12,463 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:12,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:12,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:12,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:12,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:12,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:12,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:12,467 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:12,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:12,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:12,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:12,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:12,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:12,469 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:12,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:12,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:12,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:12,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:12,812 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:12,813 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:12,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-21 12:50:12,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:12,877 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:12,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-21 12:50:14,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:14,643 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:14,644 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-21 12:50:14,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9a2dfd6a9/c5348c78c4c841c7826a084642d58c19/FLAG83cac8b70 [2024-09-21 12:50:15,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9a2dfd6a9/c5348c78c4c841c7826a084642d58c19 [2024-09-21 12:50:15,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:15,018 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:15,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:15,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:15,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:15,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:12" (1/2) ... [2024-09-21 12:50:15,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cc3a6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:15, skipping insertion in model container [2024-09-21 12:50:15,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:12" (1/2) ... [2024-09-21 12:50:15,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1049bcc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:15, skipping insertion in model container [2024-09-21 12:50:15,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:15" (2/2) ... [2024-09-21 12:50:15,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cc3a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15, skipping insertion in model container [2024-09-21 12:50:15,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:15" (2/2) ... [2024-09-21 12:50:15,039 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:15,041 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:15,041 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:15,041 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:15,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:15,211 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/lcm2_valuebound2.c[537,550] [2024-09-21 12:50:15,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:15,237 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:15,275 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/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-21 12:50:15,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:15,305 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:15,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15 WrapperNode [2024-09-21 12:50:15,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:15,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:15,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:15,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:15,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,345 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 [2024-09-21 12:50:15,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:15,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:15,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:15,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:15,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (1/1) ... [2024-09-21 12:50:15,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:15,416 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) [2024-09-21 12:50:15,421 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 [2024-09-21 12:50:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:15,545 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:15,548 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:16,029 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:16,050 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:16,087 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:16,088 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:16,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:16 BoogieIcfgContainer [2024-09-21 12:50:16,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:16,092 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:16,092 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:16,093 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:16,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:12" (1/4) ... [2024-09-21 12:50:16,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61df0a67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:16, skipping insertion in model container [2024-09-21 12:50:16,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:15" (2/4) ... [2024-09-21 12:50:16,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61df0a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:16, skipping insertion in model container [2024-09-21 12:50:16,094 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:15" (3/4) ... [2024-09-21 12:50:16,094 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61df0a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:16, skipping insertion in model container [2024-09-21 12:50:16,094 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:16" (4/4) ... [2024-09-21 12:50:16,095 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-21 12:50:16,099 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:16,100 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:16,101 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:16,101 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:16,101 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:16,101 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:16,101 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:16,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:16,102 INFO L131 InvariantChecker]: Will check 3 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, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:50:16,149 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:16,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,162 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:16,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,168 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,186 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:16,218 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:16,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,245 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:16,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,251 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,281 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:16,281 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,291 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:16,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,291 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,334 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:20,372 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:20,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,376 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:20,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,378 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:20,390 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:20,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,392 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:20,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,395 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:20,407 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:20,407 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,407 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,420 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:20,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,421 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,448 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:20,464 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:20,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,494 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:20,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:24,580 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:24,608 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:24,609 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61df0a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:24, skipping insertion in model container [2024-09-21 12:50:24,609 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:24,611 INFO L158 Benchmark]: Toolchain (without parser) took 9592.58ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 54.0MB in the beginning and 76.7MB in the end (delta: -22.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,612 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:24,612 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:24,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.81ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,613 INFO L158 Benchmark]: Boogie Preprocessor took 65.93ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,614 INFO L158 Benchmark]: RCFGBuilder took 717.30ms. Allocated memory is still 81.8MB. Free memory was 37.4MB in the beginning and 45.2MB in the end (delta: -7.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,616 INFO L158 Benchmark]: Referee took 8517.39ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 76.7MB in the end (delta: -31.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.81ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.93ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.30ms. Allocated memory is still 81.8MB. Free memory was 37.4MB in the beginning and 45.2MB in the end (delta: -7.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Referee took 8517.39ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 76.7MB in the end (delta: -31.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:24,670 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN