This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:00,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:00,469 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:00,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:00,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:00,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:00,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:00,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:00,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:00,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:00,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:00,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:00,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:00,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:00,518 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:00,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:00,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:00,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:00,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:00,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:00,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:00,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:00,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:00,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:00,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:00,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:00,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:00,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:00,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:00,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:00,523 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:00,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:00,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:00,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:00,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:00,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:00,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:00,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:00,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:00,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:00,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:00,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:00,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:00,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:00,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:00,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:00,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:00,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:00,749 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:00,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 10:09:02,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:02,292 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:02,292 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 10:09:02,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c61fde05d/c02e9e71146e4036a94b569bd89811e4/FLAGa9173adb6 [2024-09-13 10:09:02,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c61fde05d/c02e9e71146e4036a94b569bd89811e4 [2024-09-13 10:09:02,711 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:02,712 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:02,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-13 10:09:02,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:02,758 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:02,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:02,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:02,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:02,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:02" (1/2) ... [2024-09-13 10:09:02,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a103380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:02, skipping insertion in model container [2024-09-13 10:09:02,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:02" (1/2) ... [2024-09-13 10:09:02,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ffad04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:02, skipping insertion in model container [2024-09-13 10:09:02,769 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 10:09:02" (2/2) ... [2024-09-13 10:09:02,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a103380 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:02, skipping insertion in model container [2024-09-13 10:09:02,769 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 10:09:02" (2/2) ... [2024-09-13 10:09:02,779 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:02,780 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-13 10:09:02,780 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-13 10:09:02,780 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:02,780 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:02,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:02,910 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/divbin2_valuebound1.i[951,964] [2024-09-13 10:09:02,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:02,930 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:02,959 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/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-13 10:09:02,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:02,988 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:02,988 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:02 WrapperNode [2024-09-13 10:09:02,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:02,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:02,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:02,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:03,001 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,001 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,007 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,023 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 10:09:03,023 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,023 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,035 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,043 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,044 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,045 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:03,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:03,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:03,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:03,048 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 10:09:02" (1/1) ... [2024-09-13 10:09:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:03,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:03,087 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 10:09:03,096 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 10:09:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:03,207 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:03,211 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:03,384 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:03,392 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:03,429 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:03,429 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:03,429 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:03 BoogieIcfgContainer [2024-09-13 10:09:03,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:03,430 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:03,430 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:03,434 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:03,434 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:02" (1/4) ... [2024-09-13 10:09:03,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a6e1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:03, skipping insertion in model container [2024-09-13 10:09:03,436 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 10:09:02" (2/4) ... [2024-09-13 10:09:03,437 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a6e1a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:03, skipping insertion in model container [2024-09-13 10:09:03,437 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 10:09:02" (3/4) ... [2024-09-13 10:09:03,437 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a6e1a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:03, skipping insertion in model container [2024-09-13 10:09:03,437 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 10:09:03" (4/4) ... [2024-09-13 10:09:03,439 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-13 10:09:03,442 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:03,442 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 10:09:03,443 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:03,443 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:03,443 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:03,443 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 10:09:03,443 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 10:09:03,443 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:09:03,444 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:03,444 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:09:03,445 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:09:03,491 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:03,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:03,492 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:03,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:03,493 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:03,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:03,501 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:03,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:03,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:03,506 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:03,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:03,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:03,531 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:03,556 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:03,556 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:03,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:03,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:03,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:03,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:03,566 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:03,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:03,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:03,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:03,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:03,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,579 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:07,603 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:07,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,603 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,609 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:07,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,610 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,615 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:07,625 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:07,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,629 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:07,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,632 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:07,641 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:07,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,641 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,643 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:07,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,644 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,644 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,644 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,645 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:07,653 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:07,654 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,655 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:07,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,655 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,655 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,657 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:07,665 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 10:09:07,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,673 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 10:09:07,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,678 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:07,686 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:09:07,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,710 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:09:07,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,724 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:07,731 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:07,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:07,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:07,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:07,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:07,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,739 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:07,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:07,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:07,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:07,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:07,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:07,743 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:07,745 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:09:07,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a6e1a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:07, skipping insertion in model container [2024-09-13 10:09:07,746 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:07,747 INFO L158 Benchmark]: Toolchain (without parser) took 4988.64ms. Allocated memory is still 218.1MB. Free memory was 144.8MB in the beginning and 133.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-13 10:09:07,747 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 99.6MB in the beginning and 99.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:07,747 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:07,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.75ms. Allocated memory is still 218.1MB. Free memory was 144.5MB in the beginning and 130.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:07,748 INFO L158 Benchmark]: Boogie Preprocessor took 56.71ms. Allocated memory is still 218.1MB. Free memory was 130.4MB in the beginning and 128.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:07,752 INFO L158 Benchmark]: RCFGBuilder took 382.61ms. Allocated memory is still 218.1MB. Free memory was 128.4MB in the beginning and 186.7MB in the end (delta: -58.2MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:07,753 INFO L158 Benchmark]: Referee took 4315.87ms. Allocated memory is still 218.1MB. Free memory was 186.7MB in the beginning and 133.3MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-13 10:09:07,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 20. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 99.6MB in the beginning and 99.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.75ms. Allocated memory is still 218.1MB. Free memory was 144.5MB in the beginning and 130.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.71ms. Allocated memory is still 218.1MB. Free memory was 130.4MB in the beginning and 128.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.61ms. Allocated memory is still 218.1MB. Free memory was 128.4MB in the beginning and 186.7MB in the end (delta: -58.2MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Referee took 4315.87ms. Allocated memory is still 218.1MB. Free memory was 186.7MB in the beginning and 133.3MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:07,773 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:09,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:09,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:09,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:09,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:09,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:09,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:09,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:09,982 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:09,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:09,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:09,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:09,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:09,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:09,986 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:09,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:09,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:09,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:09,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:09,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:09,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:09,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:09,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:09,990 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:09,990 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:09,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:09,991 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:09,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:09,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:09,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:09,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:09,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:09,992 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:09,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:09,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:09,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:09,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:09,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:09,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:09,994 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:09,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:09,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:09,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:09,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:09,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:09,996 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:09,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:10,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:10,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:10,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:10,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:10,268 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:10,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 10:09:11,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:11,825 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:11,828 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 10:09:11,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2058bf71c/52a5034b0de44773a8231945aa6d1592/FLAG5c9a72bce [2024-09-13 10:09:11,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2058bf71c/52a5034b0de44773a8231945aa6d1592 [2024-09-13 10:09:11,844 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:11,844 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:11,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-13 10:09:11,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:11,895 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:11,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:11,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:11,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:11,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:11" (1/2) ... [2024-09-13 10:09:11,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cb42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:11, skipping insertion in model container [2024-09-13 10:09:11,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:11" (1/2) ... [2024-09-13 10:09:11,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24feafb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:11, skipping insertion in model container [2024-09-13 10:09:11,906 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 10:09:11" (2/2) ... [2024-09-13 10:09:11,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cb42f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:11, skipping insertion in model container [2024-09-13 10:09:11,907 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 10:09:11" (2/2) ... [2024-09-13 10:09:11,918 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:11,919 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-13 10:09:11,919 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-13 10:09:11,919 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:11,919 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:11,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:12,077 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/divbin2_valuebound1.i[951,964] [2024-09-13 10:09:12,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:12,107 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:12,140 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/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-13 10:09:12,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:12,176 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:12,177 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:12 WrapperNode [2024-09-13 10:09:12,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:12,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:12,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:12,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:12,189 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,189 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,198 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,210 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 10:09:12,210 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,211 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,221 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,224 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,229 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,230 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:12,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:12,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:12,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:12,236 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 10:09:12" (1/1) ... [2024-09-13 10:09:12,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:12,271 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 10:09:12,281 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 10:09:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:09:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:12,416 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:12,418 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:12,607 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:12,616 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:12,638 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:12,639 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:12,639 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:12 BoogieIcfgContainer [2024-09-13 10:09:12,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:12,640 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:12,640 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:12,641 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:12,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:11" (1/4) ... [2024-09-13 10:09:12,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a5d6b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:12, skipping insertion in model container [2024-09-13 10:09:12,641 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 10:09:11" (2/4) ... [2024-09-13 10:09:12,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a5d6b01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:12, skipping insertion in model container [2024-09-13 10:09:12,641 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 10:09:12" (3/4) ... [2024-09-13 10:09:12,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a5d6b01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:12, skipping insertion in model container [2024-09-13 10:09:12,642 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 10:09:12" (4/4) ... [2024-09-13 10:09:12,643 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-13 10:09:12,646 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:12,646 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 10:09:12,646 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:12,646 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:12,647 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:12,647 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 10:09:12,647 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 10:09:12,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:09:12,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:12,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:09:12,647 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:09:12,697 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:12,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,711 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:12,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,717 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,736 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:12,750 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:12,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,758 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:12,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,785 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:12,818 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:12,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,831 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:12,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,845 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:12,865 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:12,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,873 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:12,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,879 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:12,893 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:12,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,900 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:12,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,907 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:12,915 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:12,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,924 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:12,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,928 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:12,943 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 10:09:12,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,957 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 10:09:12,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:12,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:12,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:12,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:12,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:12,966 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:12,979 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:09:12,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:12,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:12,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:12,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:12,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,009 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:09:13,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,015 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,042 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:13,053 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:13,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:13,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:13,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:13,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:13,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,060 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:13,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:13,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:13,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:13,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:13,063 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:13,064 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:13,066 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:13,067 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a5d6b01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:13, skipping insertion in model container [2024-09-13 10:09:13,068 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:13,069 INFO L158 Benchmark]: Toolchain (without parser) took 1173.48ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 50.6MB in the end (delta: 20.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,069 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:13,070 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 250.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.03ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 56.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,071 INFO L158 Benchmark]: Boogie Preprocessor took 55.71ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,072 INFO L158 Benchmark]: RCFGBuilder took 404.69ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 63.7MB in the end (delta: -9.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,073 INFO L158 Benchmark]: Referee took 427.98ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 50.6MB in the end (delta: 13.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-09-13 10:09:13,075 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 38 to check that procedure precondition always holds at line 39. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 250.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.03ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 56.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.71ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.69ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 63.7MB in the end (delta: -9.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Referee took 427.98ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 50.6MB in the end (delta: 13.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:13,098 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...