This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:10,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:10,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:10,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:10,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:10,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:10,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:10,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:10,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:10,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:10,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:10,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:10,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:10,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:10,658 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:10,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:10,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:10,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:10,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:10,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:10,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:10,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:10,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:10,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:10,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:10,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:10,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:10,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:10,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:10,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:10,664 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:10,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:10,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:10,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:10,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:10,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:10,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:10,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:10,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:10,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:10,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:10,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:10,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:10,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:10,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:10,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:10,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:10,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:10,971 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:10,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-13 10:09:12,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:12,695 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:12,696 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-13 10:09:12,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aa7f5c2b8/b3456e6e1d884d0eb73d4ce9e94404a5/FLAG07af2d370 [2024-09-13 10:09:13,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aa7f5c2b8/b3456e6e1d884d0eb73d4ce9e94404a5 [2024-09-13 10:09:13,090 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:13,091 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:13,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.yml/witness-2.1.yml [2024-09-13 10:09:13,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:13,145 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:13,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:13,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:13,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:13,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:13" (1/2) ... [2024-09-13 10:09:13,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12419310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:13, skipping insertion in model container [2024-09-13 10:09:13,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:13" (1/2) ... [2024-09-13 10:09:13,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@aa2cbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:13, skipping insertion in model container [2024-09-13 10:09:13,157 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 10:09:13" (2/2) ... [2024-09-13 10:09:13,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12419310 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:13, skipping insertion in model container [2024-09-13 10:09:13,158 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 10:09:13" (2/2) ... [2024-09-13 10:09:13,171 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:13,174 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (k == 0)) && (s == 1)) && (x == 1)) && (q == 0)) && (yy == 1)) && (c == 1)) && (p == 1)) || (((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (k == 1)) && (q == 0)) && (c == 0)) && (yy == 1)) && (p == 1))) [2024-09-13 10:09:13,174 INFO L1541 ArrayList]: Loop invariant at [L41-L68] ((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (q == 0)) && (yy == 1)) && (p == 1)) || (((((b == 0) && (y == 1)) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (x == 1)) && ((q + s) == 0))) [2024-09-13 10:09:13,174 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:13,174 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:13,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:13,351 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/egcd2-ll_valuebound1.c[490,503] [2024-09-13 10:09:13,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:13,398 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:13,444 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/egcd2-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local [2024-09-13 10:09:13,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:13,490 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:13,490 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:13 WrapperNode [2024-09-13 10:09:13,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:13,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:13,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:13,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:13,506 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,507 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,518 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,538 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 10:09:13,538 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,538 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,548 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,556 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,560 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,561 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:13,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:13,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:13,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:13,570 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 10:09:13" (1/1) ... [2024-09-13 10:09:13,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:13,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:13,605 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 10:09:13,607 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 10:09:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:13,741 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:13,743 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:13,971 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:13,998 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:14,032 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:14,033 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:14,034 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:14 BoogieIcfgContainer [2024-09-13 10:09:14,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:14,035 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:14,035 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:14,036 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:14,036 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:13" (1/4) ... [2024-09-13 10:09:14,036 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57269756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,038 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 10:09:13" (2/4) ... [2024-09-13 10:09:14,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57269756 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,038 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 10:09:13" (3/4) ... [2024-09-13 10:09:14,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57269756 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,039 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 10:09:14" (4/4) ... [2024-09-13 10:09:14,040 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-09-13 10:09:14,045 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:14,045 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 10:09:14,046 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:14,047 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:14,047 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:14,047 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:09:14,047 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 10:09:14,047 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 10:09:14,047 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:14,048 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-13 10:09:14,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:14,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,141 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:14,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,167 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:14,197 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:14,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,203 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:14,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,207 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,247 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:14,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,266 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-13 10:09:14,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,274 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,297 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:09:14,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,323 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:09:14,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,324 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,328 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,347 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:09:14,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,373 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:09:14,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,379 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:14,400 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 10:09:14,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,425 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 10:09:14,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,431 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,436 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:14,453 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:14,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,460 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:14,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,465 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:14,479 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:09:14,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,496 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:09:14,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,505 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:14,519 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:14,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,528 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:14,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,533 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,546 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 10:09:14,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,548 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,558 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 10:09:14,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,562 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,567 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,580 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:14,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,583 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:14,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,590 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:14,601 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:14,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,602 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,602 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,602 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,604 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:14,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,608 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:14,621 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:14,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:14,621 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:14,621 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:14,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:14,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,626 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:14,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:14,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:14,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:14,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:14,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:14,634 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:14,638 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:14,639 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57269756 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,640 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:14,642 INFO L158 Benchmark]: Toolchain (without parser) took 1496.33ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 67.4MB in the end (delta: 52.0MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:14,642 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:14,642 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:14,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 104.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:14,643 INFO L158 Benchmark]: Boogie Preprocessor took 76.90ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:14,644 INFO L158 Benchmark]: RCFGBuilder took 465.44ms. Allocated memory is still 157.3MB. Free memory was 102.6MB in the beginning and 85.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:14,645 INFO L158 Benchmark]: Referee took 605.22ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 67.4MB in the end (delta: 17.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-09-13 10:09:14,648 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 47 to check that procedure precondition always holds at line 48. 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 12. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. 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 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 47. 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 loop head at line 47 to check that procedure precondition always holds at line 49. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 104.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.90ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.44ms. Allocated memory is still 157.3MB. Free memory was 102.6MB in the beginning and 85.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 605.22ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 67.4MB in the end (delta: 17.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:14,682 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...