This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:54,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:54,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:54,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:54,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:54,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:54,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:54,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:54,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:54,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:54,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:54,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:54,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:54,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:54,270 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:54,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:54,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:54,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:54,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:54,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:54,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:54,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:54,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:54,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:54,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:54,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:54,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:54,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:54,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:54,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:54,278 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:54,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:54,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:54,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:54,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:54,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:54,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:54,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:54,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:54,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:54,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:54,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:54,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:54,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:54,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:54,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:54,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:54,610 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:54,611 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:54,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1.yml/witness-2.1.yml [2024-09-25 00:27:54,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:54,671 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:54,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_1.c [2024-09-25 00:27:56,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:56,316 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:56,317 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c [2024-09-25 00:27:56,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/565d2ef02/a224541e4fa849a1b6d7ad43a01b9b09/FLAGa109546a0 [2024-09-25 00:27:56,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/565d2ef02/a224541e4fa849a1b6d7ad43a01b9b09 [2024-09-25 00:27:56,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:56,703 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:56,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:56,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:56,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:56,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:54" (1/2) ... [2024-09-25 00:27:56,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab178f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:56, skipping insertion in model container [2024-09-25 00:27:56,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:54" (1/2) ... [2024-09-25 00:27:56,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@616df481 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:56, skipping insertion in model container [2024-09-25 00:27:56,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:56" (2/2) ... [2024-09-25 00:27:56,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab178f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56, skipping insertion in model container [2024-09-25 00:27:56,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:56" (2/2) ... [2024-09-25 00:27:56,720 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:56,721 INFO L1541 ArrayList]: Loop invariant at [L19-L21] (a < 7) [2024-09-25 00:27:56,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:56,883 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c[676,689] [2024-09-25 00:27:56,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:56,905 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-25 00:27:56,936 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c[676,689] [2024-09-25 00:27:56,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:56,951 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:56,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56 WrapperNode [2024-09-25 00:27:56,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:56,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:56,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:56,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:56,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,980 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 00:27:56,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:56,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:56,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:56,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:56,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:56,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (1/1) ... [2024-09-25 00:27:57,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:57,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:27:57,027 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:27:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:27:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:27:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:27:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:57,146 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:57,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:57,242 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:57,264 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:57,264 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:27:57,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:57 BoogieIcfgContainer [2024-09-25 00:27:57,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:57,265 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:57,265 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:57,266 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:57,266 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:54" (1/4) ... [2024-09-25 00:27:57,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f80e965 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:56" (2/4) ... [2024-09-25 00:27:57,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f80e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:56" (3/4) ... [2024-09-25 00:27:57,268 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f80e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,268 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:57" (4/4) ... [2024-09-25 00:27:57,269 INFO L79 RefereeObserver]: Analyzing ICFG nested_1.c [2024-09-25 00:27:57,272 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:27:57,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:57,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:27:57,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:57,273 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:27:57,305 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:57,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:57,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:57,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:57,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:57,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,327 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:57,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:57,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:57,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:57,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:57,358 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:57,363 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:27:57,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:57,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:57,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:57,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:57,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,368 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:27:57,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:57,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:57,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:57,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:57,375 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:57,384 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:57,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:57,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:57,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:57,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:57,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,391 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:57,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:57,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:57,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:57,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:57,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:57,405 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to error location mainErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:57,408 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:57,410 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f80e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,411 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:57,412 INFO L158 Benchmark]: Toolchain (without parser) took 708.27ms. Allocated memory is still 165.7MB. Free memory was 128.8MB in the beginning and 125.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:57,413 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:57,414 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:57,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 165.7MB. Free memory was 128.8MB in the beginning and 116.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:57,415 INFO L158 Benchmark]: Boogie Preprocessor took 41.98ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:57,416 INFO L158 Benchmark]: RCFGBuilder took 269.05ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 132.7MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:27:57,417 INFO L158 Benchmark]: Referee took 145.69ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 125.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 00:27:57,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 19 to loop head at line 19. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that a call to reach_error is unreachable at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.66ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 165.7MB. Free memory was 128.8MB in the beginning and 116.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.98ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.05ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 132.7MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 145.69ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 125.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:57,448 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...