This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:46:58,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:58,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:58,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:58,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:58,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:58,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:58,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:58,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:58,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:58,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:58,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:58,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:58,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:58,980 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:58,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:58,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:58,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:58,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:58,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:58,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:58,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:58,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:58,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:58,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:58,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:58,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:58,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:58,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:58,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:58,985 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:58,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:58,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:58,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:58,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:58,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:58,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:58,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:58,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:58,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:58,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:58,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:58,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:58,989 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:59,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:59,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:59,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:59,257 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:59,258 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:59,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.yml/witness-2.1.yml [2024-09-25 11:46:59,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:59,320 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:59,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-25 11:47:00,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:00,908 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:00,909 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-25 11:47:00,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6bb7e5a15/4df390f0b5594b9abfad8cbc5d535c1f/FLAG2cc98aa97 [2024-09-25 11:47:00,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6bb7e5a15/4df390f0b5594b9abfad8cbc5d535c1f [2024-09-25 11:47:00,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:00,937 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:00,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:00,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:00,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:00,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:59" (1/2) ... [2024-09-25 11:47:00,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2522fa52 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:00, skipping insertion in model container [2024-09-25 11:47:00,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:59" (1/2) ... [2024-09-25 11:47:00,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69585f2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:00, skipping insertion in model container [2024-09-25 11:47:00,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:00" (2/2) ... [2024-09-25 11:47:00,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2522fa52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:00, skipping insertion in model container [2024-09-25 11:47:00,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:00" (2/2) ... [2024-09-25 11:47:00,962 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:00,963 INFO L1541 ArrayList]: Loop invariant at [L29-L41] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-09-25 11:47:00,963 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures (cond != 0) [2024-09-25 11:47:00,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:01,163 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] [2024-09-25 11:47:01,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:01,192 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:47:01,241 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] Start Parsing Local [2024-09-25 11:47:01,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:01,276 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:01,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01 WrapperNode [2024-09-25 11:47:01,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:01,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:01,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:01,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:01,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,309 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:47:01,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:01,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:01,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:01,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:01,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (1/1) ... [2024-09-25 11:47:01,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:01,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:47:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:47:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:01,492 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:01,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:01,645 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:01,670 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:01,706 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:01,707 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:47:01,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:01 BoogieIcfgContainer [2024-09-25 11:47:01,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:01,709 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:01,709 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:01,710 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:01,711 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:59" (1/4) ... [2024-09-25 11:47:01,712 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b071a75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:01, skipping insertion in model container [2024-09-25 11:47:01,712 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:00" (2/4) ... [2024-09-25 11:47:01,712 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b071a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:01, skipping insertion in model container [2024-09-25 11:47:01,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:01" (3/4) ... [2024-09-25 11:47:01,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b071a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:01, skipping insertion in model container [2024-09-25 11:47:01,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:01" (4/4) ... [2024-09-25 11:47:01,715 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll.c [2024-09-25 11:47:01,718 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:47:01,719 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:01,719 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:01,720 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:01,722 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:01,723 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:01,786 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:01,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:01,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:01,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:01,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:01,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,812 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:01,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:01,814 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:01,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:01,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:01,832 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:01,858 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:01,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:01,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:01,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:01,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:01,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,889 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-25 11:47:01,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,893 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:01,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:01,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:01,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:01,901 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:01,915 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:01,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:01,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:01,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:01,916 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:01,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,919 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:01,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:01,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:01,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:01,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:01,925 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:01,939 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:01,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:01,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:01,944 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:01,944 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:01,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,946 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:01,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:01,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:01,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:01,948 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:01,954 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:01,970 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:01,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:01,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:01,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:01,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:01,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,989 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:01,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:01,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:01,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:01,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:01,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:01,994 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:02,005 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:47:02,006 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:02,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:02,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:02,006 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:02,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,015 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 11:47:02,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:02,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:02,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:02,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:02,018 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:02,030 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 11:47:02,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:02,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:02,033 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:02,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:02,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,048 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-25 11:47:02,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:02,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:02,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:02,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:02,051 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:02,063 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:02,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:02,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:02,064 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:02,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:02,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,068 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:02,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:02,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:02,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:02,071 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:02,073 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:02,085 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:02,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:02,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:02,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:02,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:02,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,087 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:02,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:02,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:02,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:02,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:02,092 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:02,105 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:02,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:02,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:02,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:02,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:02,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:02,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:02,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:02,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:02,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:02,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:02,122 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:02,126 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:47:02,127 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b071a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:02, skipping insertion in model container [2024-09-25 11:47:02,127 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:02,128 INFO L158 Benchmark]: Toolchain (without parser) took 1190.83ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 80.0MB in the beginning and 104.4MB in the end (delta: -24.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:02,129 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:02,129 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:02,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.67ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 79.8MB in the beginning and 159.0MB in the end (delta: -79.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-09-25 11:47:02,130 INFO L158 Benchmark]: Boogie Preprocessor took 49.52ms. Allocated memory is still 188.7MB. Free memory was 159.0MB in the beginning and 156.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:02,130 INFO L158 Benchmark]: RCFGBuilder took 377.65ms. Allocated memory is still 188.7MB. Free memory was 156.9MB in the beginning and 143.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:02,131 INFO L158 Benchmark]: Referee took 417.46ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 104.4MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:02,133 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 29 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. 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 29 to check that procedure precondition always holds at line 30. 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 13. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.67ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 79.8MB in the beginning and 159.0MB in the end (delta: -79.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.52ms. Allocated memory is still 188.7MB. Free memory was 159.0MB in the beginning and 156.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.65ms. Allocated memory is still 188.7MB. Free memory was 156.9MB in the beginning and 143.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 417.46ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 104.4MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:47:02,159 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...