./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 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-6908dde-m [2024-09-25 00:29:59,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:59,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:59,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:59,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:59,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:59,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:59,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:59,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:59,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:59,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:59,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:59,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:59,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:59,207 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:59,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:59,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:59,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:59,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:59,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:59,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:59,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:59,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:59,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:59,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:59,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:59,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:59,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:59,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:59,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:59,216 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:59,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:59,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:59,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:59,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:59,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:59,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:59,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:59,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:59,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:59,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:59,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:59,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:59,221 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:59,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:59,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:59,469 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:59,470 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:59,471 INFO L431 ainManager$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 [2024-09-25 00:29:59,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:59,535 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:59,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-25 00:30:00,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:01,113 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:01,113 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-25 00:30:01,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/15d05d064/28f8bf84aacc44df9aadf734e0e0ac54/FLAG8df5ad518 [2024-09-25 00:30:01,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/15d05d064/28f8bf84aacc44df9aadf734e0e0ac54 [2024-09-25 00:30:01,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:01,502 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:01,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:01,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:01,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:01,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:59" (1/2) ... [2024-09-25 00:30:01,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee01fb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:01, skipping insertion in model container [2024-09-25 00:30:01,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:59" (1/2) ... [2024-09-25 00:30:01,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cc3966 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:01, skipping insertion in model container [2024-09-25 00:30:01,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:01" (2/2) ... [2024-09-25 00:30:01,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee01fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01, skipping insertion in model container [2024-09-25 00:30:01,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:01" (2/2) ... [2024-09-25 00:30:01,522 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:01,522 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)) [2024-09-25 00:30:01,522 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:01,522 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:01,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:01,690 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] [2024-09-25 00:30:01,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:01,718 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:01,749 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 [2024-09-25 00:30:01,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:01,781 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:01,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01 WrapperNode [2024-09-25 00:30:01,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:01,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:01,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:01,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:01,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,818 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:01,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:01,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:01,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:01,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:01,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (1/1) ... [2024-09-25 00:30:01,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:01,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:01,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:02,023 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:02,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:02,330 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:02,355 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:02,385 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:02,386 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:02,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:02 BoogieIcfgContainer [2024-09-25 00:30:02,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:02,388 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:02,388 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:02,388 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:02,389 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:59" (1/4) ... [2024-09-25 00:30:02,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f9dbe89 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:02, skipping insertion in model container [2024-09-25 00:30:02,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:01" (2/4) ... [2024-09-25 00:30:02,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f9dbe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:02, skipping insertion in model container [2024-09-25 00:30:02,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:01" (3/4) ... [2024-09-25 00:30:02,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f9dbe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:02, skipping insertion in model container [2024-09-25 00:30:02,392 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:02" (4/4) ... [2024-09-25 00:30:02,393 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-25 00:30:02,399 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:02,400 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:30:02,401 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:02,402 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:30:02,459 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:02,460 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:02,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:02,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:02,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:02,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,475 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:02,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:02,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:02,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:02,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:02,507 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:02,535 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:02,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:02,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:02,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:02,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:02,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,553 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:02,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:02,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:02,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:02,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:02,559 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:02,580 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:02,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:02,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:02,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:02,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:02,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,586 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:02,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:02,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:02,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:02,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:02,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,590 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:06,610 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:06,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,620 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:06,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,624 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:06,637 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:06,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:06,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,642 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:06,654 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:06,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,669 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:06,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,672 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:06,684 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:06,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,685 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,711 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:06,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,728 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:10,733 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:10,734 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f9dbe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:10, skipping insertion in model container [2024-09-25 00:30:10,734 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:10,736 INFO L158 Benchmark]: Toolchain (without parser) took 9233.23ms. Allocated memory is still 176.2MB. Free memory was 107.5MB in the beginning and 88.3MB in the end (delta: 19.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:10,736 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:10,737 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:10,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.08ms. Allocated memory is still 176.2MB. Free memory was 107.2MB in the beginning and 93.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:10,738 INFO L158 Benchmark]: Boogie Preprocessor took 59.38ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 91.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:10,739 INFO L158 Benchmark]: RCFGBuilder took 544.34ms. Allocated memory is still 176.2MB. Free memory was 91.4MB in the beginning and 132.6MB in the end (delta: -41.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:10,739 INFO L158 Benchmark]: Referee took 8346.95ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 88.3MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:10,742 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 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 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. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.08ms. Allocated memory is still 176.2MB. Free memory was 107.2MB in the beginning and 93.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.38ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 91.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.34ms. Allocated memory is still 176.2MB. Free memory was 91.4MB in the beginning and 132.6MB in the end (delta: -41.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Referee took 8346.95ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 88.3MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:10,765 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-6908dde-m [2024-09-25 00:30:12,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:13,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:13,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:13,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:13,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:13,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:13,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:13,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:13,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:13,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:13,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:13,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:13,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:13,118 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:13,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:13,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:13,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:13,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:13,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:13,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:13,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:13,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:13,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:13,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:13,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:13,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:13,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:13,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:13,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:13,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:13,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:13,123 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:13,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:13,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:13,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:13,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:13,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:13,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:13,129 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:13,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:13,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:13,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:13,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:13,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:13,131 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:13,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:13,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:13,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:13,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:13,454 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:13,455 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:13,457 INFO L431 ainManager$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 [2024-09-25 00:30:13,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:13,511 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:13,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-25 00:30:15,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:15,281 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:15,281 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-25 00:30:15,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8c13ce099/418a00b196034cfda9444324fa58d3a6/FLAGd801373db [2024-09-25 00:30:15,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8c13ce099/418a00b196034cfda9444324fa58d3a6 [2024-09-25 00:30:15,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:15,698 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:15,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:15,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:15,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:15,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:13" (1/2) ... [2024-09-25 00:30:15,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7155979a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:15, skipping insertion in model container [2024-09-25 00:30:15,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:13" (1/2) ... [2024-09-25 00:30:15,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@132c7bba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:15, skipping insertion in model container [2024-09-25 00:30:15,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:15" (2/2) ... [2024-09-25 00:30:15,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7155979a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:15, skipping insertion in model container [2024-09-25 00:30:15,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:15" (2/2) ... [2024-09-25 00:30:15,722 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:15,723 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)) [2024-09-25 00:30:15,723 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:15,723 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:15,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:15,925 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] [2024-09-25 00:30:15,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:15,967 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:16,008 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 [2024-09-25 00:30:16,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:16,043 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:16,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16 WrapperNode [2024-09-25 00:30:16,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:16,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:16,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:16,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:16,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,069 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:16,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:16,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:16,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:16,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:16,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (1/1) ... [2024-09-25 00:30:16,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:16,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:16,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:16,121 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:16,215 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:16,217 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:16,744 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:16,779 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:16,834 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:16,836 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:16,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:16 BoogieIcfgContainer [2024-09-25 00:30:16,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:16,837 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:16,838 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:16,839 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:16,839 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:13" (1/4) ... [2024-09-25 00:30:16,839 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a10af42 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:16, skipping insertion in model container [2024-09-25 00:30:16,840 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:15" (2/4) ... [2024-09-25 00:30:16,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a10af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:16, skipping insertion in model container [2024-09-25 00:30:16,841 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:16" (3/4) ... [2024-09-25 00:30:16,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a10af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:16, skipping insertion in model container [2024-09-25 00:30:16,841 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:16" (4/4) ... [2024-09-25 00:30:16,842 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-25 00:30:16,846 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:16,847 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:16,847 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:16,847 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:16,848 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:16,848 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:16,848 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:30:16,849 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:16,849 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:30:16,906 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:16,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,918 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:16,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,938 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:16,959 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:16,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,979 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:16,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,982 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:17,006 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:17,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:17,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:17,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:17,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:17,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:17,013 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:17,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:17,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:17,014 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:17,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:17,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:21,071 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:21,109 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:21,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:21,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:21,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:21,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:21,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,112 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:21,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:21,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:21,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:21,114 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:21,115 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:21,127 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:21,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:21,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:21,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:21,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:21,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,140 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:21,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:21,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:21,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:21,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:21,150 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:21,171 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:21,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:21,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:21,176 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:21,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:21,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,190 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:21,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:21,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:21,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:21,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:21,466 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:21,484 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:21,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:21,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:21,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:21,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:21,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,501 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:21,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:21,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:21,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:21,503 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:21,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:25,602 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:25,631 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:25,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a10af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:25, skipping insertion in model container [2024-09-25 00:30:25,631 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:25,633 INFO L158 Benchmark]: Toolchain (without parser) took 9934.59ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.1MB in the beginning and 37.1MB in the end (delta: -6.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:25,634 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:25,634 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:25,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.84ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 48.9MB in the end (delta: -18.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:25,635 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 46.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:25,635 INFO L158 Benchmark]: RCFGBuilder took 749.90ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 52.1MB in the end (delta: -5.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:25,636 INFO L158 Benchmark]: Referee took 8794.30ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 37.1MB in the end (delta: 15.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:25,639 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.84ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 48.9MB in the end (delta: -18.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 46.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.90ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 52.1MB in the end (delta: -5.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8794.30ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 37.1MB in the end (delta: 15.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:25,678 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN