This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:56,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:56,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:56,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:56,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:56,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:56,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:56,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:56,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:56,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:56,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:56,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:56,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:56,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:56,412 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:56,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:56,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:56,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:56,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:56,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:56,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:56,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:56,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:56,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:56,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:56,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:56,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:56,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:56,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:56,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:56,419 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:56,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:56,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:56,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:56,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:56,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:56,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:56,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:56,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:56,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:56,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:56,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:56,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:56,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:56,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:56,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:56,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:56,725 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:56,725 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:56,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_4.yml/witness-2.1.yml [2024-09-25 00:27:56,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:56,789 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:56,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_4.c [2024-09-25 00:27:58,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:58,475 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:58,475 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_4.c [2024-09-25 00:27:58,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ff3679a26/3cdd3e87bad247b1bdeaf015238d8318/FLAGeef9d9a42 [2024-09-25 00:27:58,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ff3679a26/3cdd3e87bad247b1bdeaf015238d8318 [2024-09-25 00:27:58,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:58,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:58,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:58,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:58,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:58,507 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 12:27:56" (1/2) ... [2024-09-25 00:27:58,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e94a73 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,508 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 12:27:56" (1/2) ... [2024-09-25 00:27:58,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37aef6a7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:58" (2/2) ... [2024-09-25 00:27:58,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e94a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:58" (2/2) ... [2024-09-25 00:27:58,518 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:58,519 INFO L1541 ArrayList]: Loop invariant at [L22-L30] ((((b == 6) && (c == 6)) && (a <= 6)) && (d == 6)) [2024-09-25 00:27:58,519 INFO L1541 ArrayList]: Loop invariant at [L24-L28] (((((((((b <= 5) && (a <= 5)) && (c == 1)) || (((b <= 5) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || ((((c == 6) && (b <= 5)) && (d == 6)) && (a <= 5))) || (((b <= 5) && (c == 0)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) [2024-09-25 00:27:58,519 INFO L1541 ArrayList]: Loop invariant at [L25-L27] (((((((((((((((b <= 5) && (5 == c)) && (d == 1)) && (a <= 5)) || ((((b <= 5) && (d == 3)) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 1))) || ((((d == 4) && (b <= 5)) && (5 == c)) && (a <= 5))) || ((((d == 0) && (b <= 5)) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || ((((b <= 5) && (5 == c)) && (d == 2)) && (a <= 5))) || (((b <= 5) && (c == 0)) && (a <= 5))) || ((((b <= 5) && (5 == c)) && (d == 6)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) || ((((b <= 5) && (5 == c)) && (5 == d)) && (a <= 5))) [2024-09-25 00:27:58,519 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((((c == 6) && (b <= 6)) && (d == 6)) && (a <= 5)) [2024-09-25 00:27:58,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:58,700 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_4.c[841,854] [2024-09-25 00:27:58,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:58,729 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 00:27:58,795 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_4.c[841,854] [2024-09-25 00:27:58,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:58,821 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:58,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58 WrapperNode [2024-09-25 00:27:58,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:58,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:58,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:58,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:58,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,855 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 00:27:58,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:58,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:58,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:58,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:58,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:58,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:58,910 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 00:27:58,912 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 00:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:27:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:27:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:59,015 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:59,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:59,166 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:59,189 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:59,189 INFO L317 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-25 00:27:59,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:59 BoogieIcfgContainer [2024-09-25 00:27:59,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:59,190 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:59,190 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:59,191 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:59,191 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 12:27:56" (1/4) ... [2024-09-25 00:27:59,192 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@216113fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:59, skipping insertion in model container [2024-09-25 00:27:59,192 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:58" (2/4) ... [2024-09-25 00:27:59,193 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@216113fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:59, skipping insertion in model container [2024-09-25 00:27:59,193 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:58" (3/4) ... [2024-09-25 00:27:59,193 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@216113fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:59, skipping insertion in model container [2024-09-25 00:27:59,193 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:59" (4/4) ... [2024-09-25 00:27:59,196 INFO L79 RefereeObserver]: Analyzing ICFG nested_4.c [2024-09-25 00:27:59,202 INFO L113 InvariantChecker]: Found 4 loops. [2024-09-25 00:27:59,203 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 00:27:59,203 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:59,203 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:59,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:59,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:59,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:59,205 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:59,205 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:59,206 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:59,206 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to loop head [2024-09-25 00:27:59,247 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:27:59,248 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,248 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,249 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,258 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:27:59,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,284 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,298 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:59,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,306 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:59,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,314 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,323 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:59,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,327 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:59,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,331 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,341 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:59,341 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,349 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:59,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,349 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,356 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,365 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:59,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,369 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:59,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,373 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,382 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:59,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,392 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:59,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,401 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,420 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:59,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,429 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:59,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,431 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,436 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:59,447 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:59,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,452 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:59,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,452 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,455 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,463 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:59,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:59,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:59,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:59,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:59,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,469 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:59,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:59,469 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:59,469 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:59,469 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:59,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:59,472 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:59,476 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:59,476 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@216113fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:59, skipping insertion in model container [2024-09-25 00:27:59,476 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:59,478 INFO L158 Benchmark]: Toolchain (without parser) took 979.74ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 54.0MB in the end (delta: 63.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-25 00:27:59,478 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:59,479 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:59,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.78ms. Allocated memory is still 176.2MB. Free memory was 117.0MB in the beginning and 103.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:59,479 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 176.2MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:59,480 INFO L158 Benchmark]: RCFGBuilder took 316.61ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 86.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:59,480 INFO L158 Benchmark]: Referee took 286.19ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 54.0MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:59,482 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 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that a call to reach_error is unreachable at line 32. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.78ms. Allocated memory is still 176.2MB. Free memory was 117.0MB in the beginning and 103.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 176.2MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.61ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 86.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 286.19ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 54.0MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:59,518 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...