This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:01,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:01,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:01,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:01,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:01,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:01,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:01,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:01,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:01,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:01,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:01,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:01,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:01,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:01,423 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:01,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:01,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:01,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:01,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:01,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:01,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:01,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:01,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:01,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:01,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:01,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:01,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:01,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:01,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:01,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:01,434 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:01,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:01,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:01,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:01,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:01,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:01,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:01,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:01,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:01,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:01,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:01,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:01,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:01,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:01,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:01,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:01,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:01,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:01,752 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:01,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-13 10:09:03,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:04,087 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:04,090 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-13 10:09:04,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/448e8b347/5a8e6220c71043c78003c6323d329986/FLAGa54779294 [2024-09-13 10:09:04,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/448e8b347/5a8e6220c71043c78003c6323d329986 [2024-09-13 10:09:04,464 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:04,464 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:04,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-13 10:09:04,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:04,516 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:04,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:04,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:04,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:04,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:04" (1/2) ... [2024-09-13 10:09:04,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d0aa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:04" (1/2) ... [2024-09-13 10:09:04,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17271620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:04" (2/2) ... [2024-09-13 10:09:04,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d0aa9d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:04" (2/2) ... [2024-09-13 10:09:04,541 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:04,543 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((((((2 <= counter) && (A == r)) && (q == 0)) || (((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (counter == 0)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))) && (\old(counter) == 0)) [2024-09-13 10:09:04,544 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || ((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (q == 0))) && (\old(counter) == 0)) [2024-09-13 10:09:04,544 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:04,545 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:04,545 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:04,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:04,727 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/divbin_unwindbound2.i[950,963] [2024-09-13 10:09:04,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:04,749 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:04,790 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/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 10:09:04,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:04,825 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:04,826 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:04 WrapperNode [2024-09-13 10:09:04,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:04,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:04,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:04,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:04,840 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,840 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,847 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,856 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 [2024-09-13 10:09:04,857 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,857 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,862 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,869 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,871 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,872 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:04,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:04,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:04,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:04,875 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 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:04,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:04,906 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) [2024-09-13 10:09:04,910 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 [2024-09-13 10:09:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:05,045 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:05,050 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:05,091 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:05,123 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:05,321 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:05,332 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:05,362 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:05,363 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:05,363 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:05 BoogieIcfgContainer [2024-09-13 10:09:05,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:05,364 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:05,364 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:05,365 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:05,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:04" (1/4) ... [2024-09-13 10:09:05,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70ef3db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:05, skipping insertion in model container [2024-09-13 10:09:05,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:04" (2/4) ... [2024-09-13 10:09:05,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70ef3db5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:05, skipping insertion in model container [2024-09-13 10:09:05,366 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 13.09 10:09:04" (3/4) ... [2024-09-13 10:09:05,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70ef3db5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:05, skipping insertion in model container [2024-09-13 10:09:05,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:05" (4/4) ... [2024-09-13 10:09:05,367 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-13 10:09:05,370 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:05,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:05,371 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:05,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:05,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:05,372 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:05,372 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:05,373 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:05,373 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:05,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:05,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:05,374 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:05,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:05,374 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:05,374 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:05,425 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:05,426 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:05,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:05,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:05,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:05,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:05,437 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:05,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:05,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:05,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:05,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:05,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:05,456 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:05,486 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:05,486 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:05,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:05,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:05,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:05,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:05,513 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:05,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:05,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:05,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:05,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:05,522 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,532 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:09,549 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:09:09,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,550 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:09:09,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,553 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:09,575 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:09,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,576 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,577 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:09,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,580 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:09,598 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:09,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,599 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,629 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:09,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,647 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,662 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:09,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,682 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:09,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,687 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,691 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,703 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:09,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,712 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:09,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,716 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:13,733 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:09:13,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,756 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:09:13,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,763 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:13,773 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:13,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,775 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:13,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,778 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:13,818 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:13,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,824 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:13,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,825 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,832 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:13,858 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:13,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,904 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:13,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:13,935 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:13,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,940 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:13,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,941 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,942 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,942 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,944 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:13,956 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:13,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,959 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:13,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,960 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,962 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:13,966 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:09:13,968 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70ef3db5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:13, skipping insertion in model container [2024-09-13 10:09:13,968 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:13,970 INFO L158 Benchmark]: Toolchain (without parser) took 9453.14ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 122.6MB in the beginning and 152.2MB in the end (delta: -29.7MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,971 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:13,971 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:13,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.15ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 107.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,972 INFO L158 Benchmark]: Boogie Preprocessor took 47.04ms. Allocated memory is still 165.7MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,973 INFO L158 Benchmark]: RCFGBuilder took 489.13ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 124.4MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,974 INFO L158 Benchmark]: Referee took 8604.25ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 124.4MB in the beginning and 152.2MB in the end (delta: -27.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,979 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 40 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 20. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. 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 loop head at line 36 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.15ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 107.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.04ms. Allocated memory is still 165.7MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.13ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 124.4MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8604.25ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 124.4MB in the beginning and 152.2MB in the end (delta: -27.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:14,005 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:16,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:16,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:16,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:16,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:16,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:16,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:16,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:16,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:16,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:16,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:16,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:16,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:16,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:16,341 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:16,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:16,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:16,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:16,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:16,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:16,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:16,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:16,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:16,349 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:16,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:16,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:16,350 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:16,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:16,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:16,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:16,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:16,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:16,352 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:16,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:16,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:16,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:16,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:16,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:16,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:16,355 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:16,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:16,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:16,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:16,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:16,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:16,360 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:16,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:16,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:16,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:16,664 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:16,667 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:16,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-13 10:09:16,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:16,724 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:16,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-13 10:09:18,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:18,514 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:18,515 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-13 10:09:18,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/92a81965e/516f098e98b545b88bbf0f0c76a050c5/FLAG4c260f947 [2024-09-13 10:09:18,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/92a81965e/516f098e98b545b88bbf0f0c76a050c5 [2024-09-13 10:09:18,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:18,869 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:18,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:18,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:18,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:18,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:16" (1/2) ... [2024-09-13 10:09:18,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f8d2cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:18, skipping insertion in model container [2024-09-13 10:09:18,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:16" (1/2) ... [2024-09-13 10:09:18,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45ad2cd3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:18, skipping insertion in model container [2024-09-13 10:09:18,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:18" (2/2) ... [2024-09-13 10:09:18,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f8d2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:18, skipping insertion in model container [2024-09-13 10:09:18,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:18" (2/2) ... [2024-09-13 10:09:18,888 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:18,889 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((((((2 <= counter) && (A == r)) && (q == 0)) || (((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (counter == 0)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))) && (\old(counter) == 0)) [2024-09-13 10:09:18,889 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || ((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (q == 0))) && (\old(counter) == 0)) [2024-09-13 10:09:18,889 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:18,889 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:18,889 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:18,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:19,070 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/divbin_unwindbound2.i[950,963] [2024-09-13 10:09:19,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:19,105 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:19,143 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/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 10:09:19,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:19,168 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:19,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19 WrapperNode [2024-09-13 10:09:19,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:19,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:19,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:19,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:19,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,195 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 [2024-09-13 10:09:19,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:19,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:19,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:19,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:19,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (1/1) ... [2024-09-13 10:09:19,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:19,246 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) [2024-09-13 10:09:19,249 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 [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:09:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:09:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:09:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:19,388 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:19,390 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:19,418 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:19,454 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:19,734 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:19,766 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:19,799 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:19,799 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:19,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:19 BoogieIcfgContainer [2024-09-13 10:09:19,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:19,801 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:19,801 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:19,802 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:19,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:16" (1/4) ... [2024-09-13 10:09:19,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a301bf4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:19, skipping insertion in model container [2024-09-13 10:09:19,804 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:18" (2/4) ... [2024-09-13 10:09:19,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a301bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:19, skipping insertion in model container [2024-09-13 10:09:19,805 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:19" (3/4) ... [2024-09-13 10:09:19,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a301bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:19, skipping insertion in model container [2024-09-13 10:09:19,805 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:19" (4/4) ... [2024-09-13 10:09:19,807 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-13 10:09:19,810 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:19,811 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:19,812 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:19,812 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:19,812 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:19,812 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:19,813 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:19,813 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:19,813 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:19,813 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:19,814 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:19,814 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:19,814 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:19,814 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:19,814 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:09:19,865 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:19,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:19,866 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:19,866 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:19,867 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:19,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:19,882 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:19,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:19,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:19,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:19,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:19,886 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:19,900 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:19,932 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:19,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:19,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:19,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:19,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:19,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:19,968 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:19,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:19,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:19,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:19,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:19,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,001 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:20,028 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:09:20,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,029 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,029 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,031 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:09:20,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,034 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:20,057 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:20,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,059 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:20,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,060 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,062 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:20,087 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:20,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,089 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,089 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,090 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,132 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:20,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,163 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:20,186 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:20,186 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,186 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,201 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:20,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,247 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:20,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,248 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,248 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,256 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:20,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,292 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:20,310 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:09:20,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,311 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,338 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:09:20,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,342 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:20,354 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:20,354 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,354 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,356 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:20,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,359 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:20,376 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:20,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,382 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:20,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,386 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:20,396 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:20,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,413 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:20,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,415 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,426 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:20,435 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:20,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,438 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:20,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,441 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:20,452 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:20,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:20,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:20,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:20,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:20,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,454 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:20,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:20,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:20,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:20,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:20,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:20,457 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:20,466 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:09:20,466 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a301bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:20, skipping insertion in model container [2024-09-13 10:09:20,467 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:20,469 INFO L158 Benchmark]: Toolchain (without parser) took 1599.14ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 44.2MB in the beginning and 57.3MB in the end (delta: -13.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-09-13 10:09:20,469 INFO L158 Benchmark]: Witness Parser took 1.25ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:20,470 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:20,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.33ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 49.0MB in the end (delta: -5.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:20,471 INFO L158 Benchmark]: Boogie Preprocessor took 48.94ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:20,472 INFO L158 Benchmark]: RCFGBuilder took 580.93ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 49.2MB in the end (delta: -2.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:20,473 INFO L158 Benchmark]: Referee took 666.38ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.2MB in the beginning and 57.3MB in the end (delta: -8.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:20,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, B=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. 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 loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. 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 20. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.25ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.33ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 49.0MB in the end (delta: -5.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.94ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.93ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 49.2MB in the end (delta: -2.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Referee took 666.38ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.2MB in the beginning and 57.3MB in the end (delta: -8.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:20,517 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...