./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-04d6fb3-m [2024-09-15 20:08:07,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:08,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:08:08,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:08,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:08,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:08,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:08,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:08,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:08,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:08,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:08,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:08,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:08,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:08,102 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:08,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:08,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:08,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:08,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:08:08,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:08,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:08,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:08,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:08,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:08,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:08,106 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:08,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:08:08,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:08:08,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:08,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:08,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:08,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:08,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:08,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:08,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:08,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:08,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:08,325 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:08,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-15 20:08:09,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:09,690 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:09,691 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-15 20:08:09,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/256fa5cd3/65d009d2ec9a4e0f8ff9aa9326fe2cbf/FLAG280b1e827 [2024-09-15 20:08:09,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/256fa5cd3/65d009d2ec9a4e0f8ff9aa9326fe2cbf [2024-09-15 20:08:09,716 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:09,716 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:09,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-15 20:08:09,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:09,761 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:09,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:09,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:09,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:09,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:09" (1/2) ... [2024-09-15 20:08:09,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51499b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:09, skipping insertion in model container [2024-09-15 20:08:09,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:09" (1/2) ... [2024-09-15 20:08:09,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42fb7dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:09, skipping insertion in model container [2024-09-15 20:08:09,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:09" (2/2) ... [2024-09-15 20:08:09,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51499b4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:09, skipping insertion in model container [2024-09-15 20:08:09,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:09" (2/2) ... [2024-09-15 20:08:09,777 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:09,777 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)) [2024-09-15 20:08:09,777 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:09,777 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:09,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:09,982 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_valuebound50.c[537,550] [2024-09-15 20:08:09,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:10,003 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:10,036 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_valuebound50.c[537,550] Start Parsing Local [2024-09-15 20:08:10,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:10,063 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:10,063 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:10 WrapperNode [2024-09-15 20:08:10,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:10,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:10,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:10,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:10,075 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,076 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,081 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,093 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 [2024-09-15 20:08:10,093 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,093 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,099 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,102 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,103 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,104 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:10,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:10,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:10,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:10,107 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 15.09 08:08:10" (1/1) ... [2024-09-15 20:08:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:10,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:10,131 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) [2024-09-15 20:08:10,133 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 [2024-09-15 20:08:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:10,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:10,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:10,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:08:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:08:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:08:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:10,229 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:10,231 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:10,416 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:10,427 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:10,448 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:10,448 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:10,449 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:10 BoogieIcfgContainer [2024-09-15 20:08:10,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:10,449 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:10,449 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:10,453 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:10,453 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:09" (1/4) ... [2024-09-15 20:08:10,454 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62cf9dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:10, skipping insertion in model container [2024-09-15 20:08:10,454 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:09" (2/4) ... [2024-09-15 20:08:10,454 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62cf9dae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:10, skipping insertion in model container [2024-09-15 20:08:10,454 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 15.09 08:08:10" (3/4) ... [2024-09-15 20:08:10,455 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62cf9dae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:10, skipping insertion in model container [2024-09-15 20:08:10,455 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:10" (4/4) ... [2024-09-15 20:08:10,456 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-15 20:08:10,459 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:10,460 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:10,460 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:10,461 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:10,461 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:10,461 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:10,461 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:10,461 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:10,462 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-15 20:08:10,509 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:10,510 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:10,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:10,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:10,512 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:10,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,519 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:10,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:10,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:10,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:10,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:10,544 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:10,575 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:10,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:10,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:10,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:10,576 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:10,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,598 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:10,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:10,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:10,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:10,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:10,604 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:10,623 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:10,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:10,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:10,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:10,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:10,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,630 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:10,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:10,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:10,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:10,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:10,631 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:14,642 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:14,659 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:14,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:14,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:14,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:14,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:14,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,664 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:14,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:14,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:14,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:14,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:14,669 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:14,681 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:14,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:14,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:14,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:14,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:14,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,683 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:14,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:14,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:14,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:14,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:14,693 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:14,710 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:14,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:14,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:14,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:14,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:14,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,733 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:14,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:14,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:14,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:14,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:14,738 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:14,751 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:14,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:14,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:14,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:14,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:14,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,802 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:14,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:14,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:14,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:14,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:14,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,815 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:18,821 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:18,822 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62cf9dae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,823 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:18,824 INFO L158 Benchmark]: Toolchain (without parser) took 9062.69ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 95.0MB in the beginning and 175.1MB in the end (delta: -80.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-09-15 20:08:18,825 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:18,826 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 159.4MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:18,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.79ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 122.5MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:18,827 INFO L158 Benchmark]: Boogie Preprocessor took 40.64ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 121.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:18,828 INFO L158 Benchmark]: RCFGBuilder took 343.08ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:18,828 INFO L158 Benchmark]: Referee took 8373.72ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 103.7MB in the beginning and 175.1MB in the end (delta: -71.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:18,832 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 entry of procedure main to loop head 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 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 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 159.4MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.79ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 122.5MB in the end (delta: -28.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.64ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 121.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.08ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8373.72ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 103.7MB in the beginning and 175.1MB in the end (delta: -71.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:18,855 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-04d6fb3-m [2024-09-15 20:08:20,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:20,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:20,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:20,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:20,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:20,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:20,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:20,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:20,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:20,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:20,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:20,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:20,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:20,794 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:20,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:20,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:20,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:20,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:20,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:20,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:20,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:20,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:20,796 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:20,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:20,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:20,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:20,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:20,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:20,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:20,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:20,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:20,798 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:20,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:20,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:20,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:20,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:20,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:20,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:20,800 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:20,800 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:20,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:20,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:20,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:20,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:20,802 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:20,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:21,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:21,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:21,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:21,112 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:21,113 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:21,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-15 20:08:21,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:21,163 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:21,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-15 20:08:22,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:22,647 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:22,648 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-15 20:08:22,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d49995385/0aebaff9f3c24f86a6e37afcc5c9ce66/FLAG41b0dc8f2 [2024-09-15 20:08:22,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d49995385/0aebaff9f3c24f86a6e37afcc5c9ce66 [2024-09-15 20:08:22,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:22,672 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:22,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:22,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:22,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:22,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:21" (1/2) ... [2024-09-15 20:08:22,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739e9f1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:22, skipping insertion in model container [2024-09-15 20:08:22,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:21" (1/2) ... [2024-09-15 20:08:22,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d602d3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:22, skipping insertion in model container [2024-09-15 20:08:22,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:22" (2/2) ... [2024-09-15 20:08:22,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739e9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22, skipping insertion in model container [2024-09-15 20:08:22,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:22" (2/2) ... [2024-09-15 20:08:22,693 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:22,696 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)) [2024-09-15 20:08:22,696 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:22,696 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:22,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:22,860 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_valuebound50.c[537,550] [2024-09-15 20:08:22,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:22,898 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:22,937 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_valuebound50.c[537,550] Start Parsing Local [2024-09-15 20:08:22,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:22,969 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:22,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22 WrapperNode [2024-09-15 20:08:22,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:22,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:22,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:22,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:22,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:22,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:22,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,006 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 [2024-09-15 20:08:23,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:23,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:23,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:23,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:23,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (1/1) ... [2024-09-15 20:08:23,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:23,052 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) [2024-09-15 20:08:23,054 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 [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:23,147 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:23,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:23,705 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:23,727 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:23,763 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:23,763 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:23,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:23 BoogieIcfgContainer [2024-09-15 20:08:23,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:23,768 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:23,768 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:23,769 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:23,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:21" (1/4) ... [2024-09-15 20:08:23,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d117cb3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:23, skipping insertion in model container [2024-09-15 20:08:23,770 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:22" (2/4) ... [2024-09-15 20:08:23,770 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d117cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:23, skipping insertion in model container [2024-09-15 20:08:23,770 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:22" (3/4) ... [2024-09-15 20:08:23,770 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d117cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:23, skipping insertion in model container [2024-09-15 20:08:23,770 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:23" (4/4) ... [2024-09-15 20:08:23,773 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-15 20:08:23,776 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:23,777 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:23,778 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:23,778 INFO L130 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 [2024-09-15 20:08:23,834 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:23,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,846 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:23,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,874 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:23,899 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:23,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,909 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:23,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,912 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:23,938 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:23,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,942 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:23,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,945 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:27,987 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:28,013 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:28,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:28,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:28,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:28,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:28,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,016 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:28,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:28,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:28,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:28,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:28,019 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:28,028 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:28,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:28,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:28,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:28,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:28,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:28,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:28,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:28,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:28,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:28,038 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:28,050 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:28,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:28,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:28,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:28,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:28,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,060 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:28,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:28,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:28,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:28,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:28,346 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:28,365 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:28,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:28,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:28,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:28,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:28,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,385 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:28,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:28,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:28,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:28,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:28,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:32,486 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:32,516 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:32,517 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d117cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:32, skipping insertion in model container [2024-09-15 20:08:32,517 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:32,518 INFO L158 Benchmark]: Toolchain (without parser) took 9845.49ms. Allocated memory is still 73.4MB. Free memory was 44.2MB in the beginning and 42.3MB in the end (delta: 1.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-15 20:08:32,519 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:32,519 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 58.7MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:32,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.31ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 49.7MB in the end (delta: -5.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:32,520 INFO L158 Benchmark]: Boogie Preprocessor took 49.48ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:32,521 INFO L158 Benchmark]: RCFGBuilder took 741.05ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 31.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:32,521 INFO L158 Benchmark]: Referee took 8749.08ms. Allocated memory is still 73.4MB. Free memory was 31.7MB in the beginning and 42.3MB in the end (delta: -10.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:32,523 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 loop head at line 37. 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. 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 main to loop head at line 37. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 58.7MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.31ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 49.7MB in the end (delta: -5.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.48ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.05ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 31.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8749.08ms. Allocated memory is still 73.4MB. Free memory was 31.7MB in the beginning and 42.3MB in the end (delta: -10.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:32,572 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