This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:11,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:11,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:11,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:11,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:11,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:11,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:11,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:11,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:11,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:11,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:11,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:11,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:11,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:11,867 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:11,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:11,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:11,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:11,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:11,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:11,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:11,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:11,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:11,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:11,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:11,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:11,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:11,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:11,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:11,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:11,874 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:11,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:11,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:11,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:11,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:11,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:11,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:11,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:11,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:11,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:11,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:11,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:11,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:11,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:12,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:12,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:12,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:12,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:12,206 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:12,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-13 10:09:13,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:13,865 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:13,866 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound2.c [2024-09-13 10:09:13,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/07412d73b/b6f3203699504dbf914b24e3d1fc3149/FLAGd59c29abf [2024-09-13 10:09:13,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/07412d73b/b6f3203699504dbf914b24e3d1fc3149 [2024-09-13 10:09:13,895 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:13,896 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:13,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound2.yml/witness-2.1.yml [2024-09-13 10:09:13,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:13,961 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:13,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:13,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:13,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:13,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:13" (1/2) ... [2024-09-13 10:09:13,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29305401 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 10:09:13,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:13" (1/2) ... [2024-09-13 10:09:13,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42b8138d 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 10:09:13,972 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 10:09:13,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29305401 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 10:09:13,972 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 10:09:13,980 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:13,982 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((((((((r == 0) && (s == 1)) && (a == (c + b))) && (0 <= c)) && (b == y)) && (k == 1)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (x <= 2)) && (p == 1)) || ((((((((((((((r == 0) && (a == (c + ((__int128) b * k)))) && (s == 1)) && (1 <= a)) && (0 <= c)) && (yy == ((long long) y * y))) && ((c + ((__int128) b * 2)) <= 2)) && (q == 0)) && (1 <= b)) && (xy == ((long long) y * x))) && (a == x)) && (x == (c + ((__int128) k * y)))) && (x <= 2)) && (p == 1))) || ((((((((((((((r == 0) && (y <= 2)) && (k == 0)) && (s == 1)) && (1 <= a)) && (b == y)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (2 == xy)) && (r == 1)) && (c == 2)) && (x == 1)) && (yy == 4)) && (a == 2)) && (q == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (2 == xy)) && (r == 1)) && (x == 1)) && (yy == 4)) && (k == 1)) && (a == 2)) && (q == 1)) && (c == 1))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (2 == xy)) && (r == 1)) && (x == 1)) && (yy == 4)) && (k == 2)) && (a == 2)) && (c == 0)) && (q == 1))) [2024-09-13 10:09:13,985 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (((((((((((((b == 1) && (s == 0)) && (p == 0)) && (y == xy)) && (r == 1)) && (a == y)) && (x == 1)) && (yy == ((long long) y * y))) && (a == 2)) && (q == 1)) || (((((((((1 <= x) && (y <= 2)) && (b == 0)) && (p == 0)) && (r == 1)) && (a == y)) && (1 <= y)) && ((((__int128) q * x) + ((__int128) y * s)) == 0)) && (x <= 2))) || ((((((((((((r == 0) && (y <= 2)) && (s == 1)) && (1 <= a)) && (b == y)) && (yy == ((long long) y * y))) && (q == 0)) && (1 <= y)) && (xy == ((long long) y * x))) && (a == x)) && (x <= 2)) && (p == 1))) || (((((((((((long long) x + 1) <= y) && (r == 0)) && ((((long long) x * 2) + b) == y)) && (y <= 2)) && (s == 1)) && (((__int128) q + 2) == 0)) && (((__int128) b + 1) <= x)) && (a == x)) && (p == 1))) [2024-09-13 10:09:13,985 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:13,985 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:14,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:14,172 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_valuebound2.c[490,503] [2024-09-13 10:09:14,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:14,218 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:14,261 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_valuebound2.c[490,503] Start Parsing Local Start Parsing Local [2024-09-13 10:09:14,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:14,310 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:14,311 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:14 WrapperNode [2024-09-13 10:09:14,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:14,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:14,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:14,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:14,326 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,326 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,339 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,359 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 10:09:14,359 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,364 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,380 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,386 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,390 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,391 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:14,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:14,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:14,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:14,399 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 10:09:14" (1/1) ... [2024-09-13 10:09:14,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:14,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:14,442 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 10:09:14,447 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 10:09:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:14,655 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:14,657 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:14,953 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:14,966 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:15,001 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:15,002 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:15,003 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:15 BoogieIcfgContainer [2024-09-13 10:09:15,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:15,004 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:15,004 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:15,005 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:15,005 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:13" (1/4) ... [2024-09-13 10:09:15,005 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28a024a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:15, skipping insertion in model container [2024-09-13 10:09:15,007 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 10:09:15,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28a024a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:15, skipping insertion in model container [2024-09-13 10:09:15,007 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 10:09:14" (3/4) ... [2024-09-13 10:09:15,008 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28a024a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:15, skipping insertion in model container [2024-09-13 10:09:15,008 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 10:09:15" (4/4) ... [2024-09-13 10:09:15,009 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound2.c [2024-09-13 10:09:15,013 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:15,015 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 10:09:15,015 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 10:09:15,015 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 10:09:15,016 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 10:09:15,016 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 10:09:15,016 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 10:09:15,016 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 10:09:15,018 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 10:09:15,018 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 10:09:15,018 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 10:09:15,019 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 10:09:15,019 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 10:09:15,019 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 10:09:15,019 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:09:15,093 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:15,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,109 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:15,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,133 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:15,166 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:15,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:15,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,190 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,213 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:15,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,240 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-13 10:09:15,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,248 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,272 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:09:15,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,334 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:09:15,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,343 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,369 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:09:15,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,403 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:09:15,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,408 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,431 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 10:09:15,433 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,433 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,480 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 10:09:15,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,491 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,502 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,521 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:15,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,534 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:15,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,540 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,557 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:09:15,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,558 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,590 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:09:15,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,591 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,591 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,591 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,598 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,611 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:15,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,625 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:15,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,631 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,643 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 10:09:15,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,653 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 10:09:15,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,662 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,676 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:15,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,679 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:15,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,684 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:15,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:15,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,699 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:15,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,702 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:15,716 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:15,717 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,717 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,736 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:15,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,748 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,752 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:15,756 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28a024a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:15, skipping insertion in model container [2024-09-13 10:09:15,756 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:15,758 INFO L158 Benchmark]: Toolchain (without parser) took 1797.30ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 108.5MB in the beginning and 155.2MB in the end (delta: -46.8MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,758 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:15,759 INFO L158 Benchmark]: Witness Parser took 1.23ms. Allocated memory is still 148.9MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:15,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.83ms. Allocated memory is still 148.9MB. Free memory was 107.9MB in the beginning and 92.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,759 INFO L158 Benchmark]: Boogie Preprocessor took 85.13ms. Allocated memory is still 148.9MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,760 INFO L158 Benchmark]: RCFGBuilder took 605.12ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 102.4MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,765 INFO L158 Benchmark]: Referee took 752.90ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 102.4MB in the beginning and 155.2MB in the end (delta: -52.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,769 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 49. 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 41. 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. 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 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 48. 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 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.23ms. Allocated memory is still 148.9MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.83ms. Allocated memory is still 148.9MB. Free memory was 107.9MB in the beginning and 92.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.13ms. Allocated memory is still 148.9MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.12ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 102.4MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 752.90ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 102.4MB in the beginning and 155.2MB in the end (delta: -52.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:15,820 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...