./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/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-dev-a9b967e-m [2024-09-11 20:51:19,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:19,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:19,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:19,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:19,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:19,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:19,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:19,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:19,249 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:19,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:19,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:19,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:19,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:19,251 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:19,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:19,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:19,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:19,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:19,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:19,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:19,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:19,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:19,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:19,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:19,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:19,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:19,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:19,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:19,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:19,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:19,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:19,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:19,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:19,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:19,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:19,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:19,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:19,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:19,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:19,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:19,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:19,261 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:19,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:19,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:19,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:19,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:19,542 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:19,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-11 20:51:20,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:21,093 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:21,094 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-11 20:51:21,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ede322326/acb82eea6feb49208df748c0ea8d50e2/FLAG3847ac5f7 [2024-09-11 20:51:21,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ede322326/acb82eea6feb49208df748c0ea8d50e2 [2024-09-11 20:51:21,122 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:21,122 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:21,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-11 20:51:21,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:21,168 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:21,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:21,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:21,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:21,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:21" (1/2) ... [2024-09-11 20:51:21,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c86e460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:21" (1/2) ... [2024-09-11 20:51:21,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29530004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:21" (2/2) ... [2024-09-11 20:51:21,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c86e460 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:21" (2/2) ... [2024-09-11 20:51:21,189 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:21,190 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:21,190 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:21,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:21,362 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-11 20:51:21,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:21,399 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:21,438 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-11 20:51:21,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:21,469 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:21,470 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21 WrapperNode [2024-09-11 20:51:21,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:21,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:21,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:21,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:21,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,506 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:21,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:21,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:21,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:21,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:21,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (1/1) ... [2024-09-11 20:51:21,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:21,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:21,558 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:21,654 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:21,656 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:21,826 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:21,873 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:21,873 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:21,904 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:21,905 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:21,905 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:21 BoogieIcfgContainer [2024-09-11 20:51:21,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:21,906 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:21,906 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:21,907 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:21,907 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:21" (1/4) ... [2024-09-11 20:51:21,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60837af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:21" (2/4) ... [2024-09-11 20:51:21,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60837af4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21" (3/4) ... [2024-09-11 20:51:21,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60837af4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,909 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:21" (4/4) ... [2024-09-11 20:51:21,910 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-11 20:51:21,917 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:21,918 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:21,918 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:21,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:21,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:21,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:21,922 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:21,923 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:51:21,989 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:21,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:21,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:21,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:21,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:21,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,050 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:22,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:22,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:22,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:22,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:22,090 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:22,119 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:22,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:22,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:22,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:22,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:22,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,127 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:22,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:22,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:22,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:22,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,133 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:26,150 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:26,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,154 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:26,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,167 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:26,180 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:26,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,183 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:26,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,188 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:26,200 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:26,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,210 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:26,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,213 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:26,227 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:26,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,297 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:26,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:30,314 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:30,321 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:30,322 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60837af4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:30, skipping insertion in model container [2024-09-11 20:51:30,322 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:30,324 INFO L158 Benchmark]: Toolchain (without parser) took 9155.04ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 107.0MB in the beginning and 188.8MB in the end (delta: -81.8MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,324 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:30,325 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:30,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.15ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 93.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,326 INFO L158 Benchmark]: Boogie Preprocessor took 56.93ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 90.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,327 INFO L158 Benchmark]: RCFGBuilder took 376.83ms. Allocated memory is still 165.7MB. Free memory was 90.7MB in the beginning and 74.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,327 INFO L158 Benchmark]: Referee took 8416.32ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 74.8MB in the beginning and 188.8MB in the end (delta: -114.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,330 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 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.15ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 93.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.93ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 90.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.83ms. Allocated memory is still 165.7MB. Free memory was 90.7MB in the beginning and 74.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8416.32ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 74.8MB in the beginning and 188.8MB in the end (delta: -114.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:30,360 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-dev-a9b967e-m [2024-09-11 20:51:32,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:32,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:32,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:32,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:32,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:32,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:32,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:32,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:32,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:32,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:32,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:32,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:32,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:32,813 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:32,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:32,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:32,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:32,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:32,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:32,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:32,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:32,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:32,816 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:32,816 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:32,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:32,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:32,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:32,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:32,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:32,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:32,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:32,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:32,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:32,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:32,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:32,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:32,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:32,824 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:32,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:32,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:32,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:32,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:32,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:32,826 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:32,826 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:33,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:33,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:33,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:33,185 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:33,185 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:33,187 INFO L431 ainManager$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 [2024-09-11 20:51:33,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:33,235 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:33,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-11 20:51:34,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:35,083 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:35,085 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-11 20:51:35,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b6b849efe/dbc3194f6a3a4502b545c7b24a8859d4/FLAGdf68a414e [2024-09-11 20:51:35,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b6b849efe/dbc3194f6a3a4502b545c7b24a8859d4 [2024-09-11 20:51:35,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:35,116 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:35,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:35,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:35,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:33" (1/2) ... [2024-09-11 20:51:35,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b384d98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:33" (1/2) ... [2024-09-11 20:51:35,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@285fba7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b384d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,142 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:35,143 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:35,143 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:35,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:35,327 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-11 20:51:35,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,376 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:35,414 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-11 20:51:35,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,449 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:35,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35 WrapperNode [2024-09-11 20:51:35,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:35,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:35,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,484 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:35,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:35,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:35,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:35,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:35,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:35,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:35,548 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:35,678 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:35,681 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:36,108 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:36,172 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:36,173 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:36,205 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:36,206 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:36,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36 BoogieIcfgContainer [2024-09-11 20:51:36,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:36,207 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:36,207 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:36,207 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:36,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:33" (1/4) ... [2024-09-11 20:51:36,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1088b3e7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:35" (2/4) ... [2024-09-11 20:51:36,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1088b3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35" (3/4) ... [2024-09-11 20:51:36,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1088b3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36" (4/4) ... [2024-09-11 20:51:36,211 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-11 20:51:36,216 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:36,217 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,217 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:36,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:36,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,218 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:51:36,272 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:36,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,319 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:36,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,343 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,375 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,399 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,438 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,465 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:36,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,472 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:36,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,478 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:36,498 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,505 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,508 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:36,523 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:36,527 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,538 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:36,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,551 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:40,569 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:40,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,592 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:40,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,600 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:40,607 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:40,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1088b3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,607 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:40,609 INFO L158 Benchmark]: Toolchain (without parser) took 5494.74ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 34.1MB in the end (delta: 21.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,610 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,610 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.06ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 41.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,611 INFO L158 Benchmark]: Boogie Preprocessor took 58.61ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,612 INFO L158 Benchmark]: RCFGBuilder took 695.30ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 43.6MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,612 INFO L158 Benchmark]: Referee took 4400.89ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 34.1MB in the end (delta: 9.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,615 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 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 38. 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.06ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 41.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.61ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.30ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 43.6MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 4400.89ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 34.1MB in the end (delta: 9.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:40,650 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