This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:57,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:57,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:57,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:57,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:57,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:57,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:57,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:57,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:57,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:57,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:57,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:57,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:57,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:57,752 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:57,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:57,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:57,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:57,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:57,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:57,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:57,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:57,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:57,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:57,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:57,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:57,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:57,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:57,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:57,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:57,757 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:57,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:57,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:57,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:57,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:57,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:57,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:57,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:57,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:57,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:57,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:57,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:57,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:57,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:57,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:58,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:58,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:58,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:58,024 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:58,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-21 12:48:59,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:59,669 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:59,670 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-21 12:48:59,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7b22c5189/e84e8d962e504905ac4a1ac5995bbd21/FLAG15893ebbb [2024-09-21 12:48:59,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7b22c5189/e84e8d962e504905ac4a1ac5995bbd21 [2024-09-21 12:48:59,703 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:59,704 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:59,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:48:59,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:59,759 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:59,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:59,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:59,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:59,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:59" (1/2) ... [2024-09-21 12:48:59,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e26498d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:59" (1/2) ... [2024-09-21 12:48:59,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@624ff4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:59" (2/2) ... [2024-09-21 12:48:59,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e26498d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:59" (2/2) ... [2024-09-21 12:48:59,780 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:59,780 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-21 12:48:59,781 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-21 12:48:59,781 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:48:59,781 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:48:59,781 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:59,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:59,945 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-scaling/divbin_unwindbound2.i[950,963] [2024-09-21 12:48:59,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:59,984 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:00,024 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-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:49:00,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:00,060 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:00,060 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:00 WrapperNode [2024-09-21 12:49:00,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:00,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:00,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:00,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:00,074 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,075 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,082 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,091 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 [2024-09-21 12:49:00,091 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,092 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,096 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,102 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,103 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,104 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:00,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:00,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:00,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:00,110 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 21.09 12:49:00" (1/1) ... [2024-09-21 12:49:00,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:00,137 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) [2024-09-21 12:49:00,139 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 [2024-09-21 12:49:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:00,249 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:00,252 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:00,289 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:00,321 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:00,513 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:00,530 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:00,563 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:00,566 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:00,566 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:00 BoogieIcfgContainer [2024-09-21 12:49:00,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:00,567 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:00,567 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:00,568 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:00,569 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:59" (1/4) ... [2024-09-21 12:49:00,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e07839a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:00, skipping insertion in model container [2024-09-21 12:49:00,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:59" (2/4) ... [2024-09-21 12:49:00,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e07839a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:00, skipping insertion in model container [2024-09-21 12:49:00,571 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 21.09 12:49:00" (3/4) ... [2024-09-21 12:49:00,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e07839a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:00, skipping insertion in model container [2024-09-21 12:49:00,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:00" (4/4) ... [2024-09-21 12:49:00,572 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-21 12:49:00,576 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:00,577 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:00,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:00,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:00,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:00,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:00,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:00,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:00,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:00,579 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:00,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:00,580 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:00,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:00,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:00,581 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-09-21 12:49:00,641 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:00,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:00,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:00,645 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:00,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:00,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:00,657 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:00,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:00,659 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:00,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:00,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:00,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:00,679 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:00,709 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:00,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:00,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:00,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:00,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:00,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:00,748 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:00,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:00,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:00,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:00,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:00,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,764 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:04,782 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:04,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,785 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:04,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,785 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,785 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,785 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,790 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:04,802 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:04,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,804 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:04,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,806 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:04,818 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:49:04,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,840 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:49:04,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,841 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,857 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:04,873 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:04,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,886 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:04,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,894 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:04,904 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:04,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,910 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:04,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,914 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,918 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:08,933 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:08,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,950 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:08,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,957 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:08,968 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:08,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,970 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:08,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,970 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,971 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,972 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,982 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:08,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,985 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:08,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,989 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,006 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:09,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,022 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:09,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,027 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,035 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:09,035 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,039 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:09,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,042 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:09,050 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,052 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,055 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:09,059 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:09,059 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e07839a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,060 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:09,061 INFO L158 Benchmark]: Toolchain (without parser) took 9301.36ms. Allocated memory is still 159.4MB. Free memory was 132.2MB in the beginning and 119.2MB in the end (delta: 13.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,061 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:09,062 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 17.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:09,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.16ms. Allocated memory is still 159.4MB. Free memory was 132.2MB in the beginning and 118.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,062 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,063 INFO L158 Benchmark]: RCFGBuilder took 457.25ms. Allocated memory is still 159.4MB. Free memory was 115.4MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,064 INFO L158 Benchmark]: Referee took 8492.77ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 119.2MB in the end (delta: -18.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,097 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 40 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 17.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.16ms. Allocated memory is still 159.4MB. Free memory was 132.2MB in the beginning and 118.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.25ms. Allocated memory is still 159.4MB. Free memory was 115.4MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8492.77ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 119.2MB in the end (delta: -18.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:09,126 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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:11,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:11,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:11,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:11,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:11,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:11,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:11,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:11,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:11,427 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:11,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:11,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:11,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:11,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:11,432 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:11,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:11,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:11,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:11,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:11,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:11,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:11,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:11,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:11,435 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:11,435 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:11,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:11,435 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:11,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:11,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:11,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:11,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:11,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:11,440 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:11,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:11,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:11,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:11,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:11,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:11,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:11,443 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:11,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:11,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:11,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:11,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:11,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:11,445 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:11,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:11,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:11,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:11,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:11,770 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:11,770 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:11,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:49:11,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:11,838 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:11,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-21 12:49:13,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:13,473 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:13,476 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-21 12:49:13,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a9e048c9b/fb3cdd71faeb439687a2cdab91925976/FLAGa6eb8a813 [2024-09-21 12:49:13,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a9e048c9b/fb3cdd71faeb439687a2cdab91925976 [2024-09-21 12:49:13,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:13,499 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:13,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:13,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:13,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:13,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:11" (1/2) ... [2024-09-21 12:49:13,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15596dda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:13, skipping insertion in model container [2024-09-21 12:49:13,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:11" (1/2) ... [2024-09-21 12:49:13,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@307ee849 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:13, skipping insertion in model container [2024-09-21 12:49:13,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:13" (2/2) ... [2024-09-21 12:49:13,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15596dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13, skipping insertion in model container [2024-09-21 12:49:13,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:13" (2/2) ... [2024-09-21 12:49:13,522 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:13,523 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-21 12:49:13,523 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-21 12:49:13,523 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:13,523 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:13,523 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:13,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:13,711 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-scaling/divbin_unwindbound2.i[950,963] [2024-09-21 12:49:13,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:13,747 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:13,793 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-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:49:13,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:13,841 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:13,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13 WrapperNode [2024-09-21 12:49:13,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:13,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:13,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:13,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:13,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,882 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 [2024-09-21 12:49:13,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:13,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:13,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:13,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:13,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (1/1) ... [2024-09-21 12:49:13,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:13,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:13,943 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) [2024-09-21 12:49:13,949 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 [2024-09-21 12:49:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:14,090 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:14,092 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:14,122 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:14,157 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:14,376 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:14,391 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:14,427 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:14,430 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:14,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:14 BoogieIcfgContainer [2024-09-21 12:49:14,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:14,431 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:14,431 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:14,432 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:14,433 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:11" (1/4) ... [2024-09-21 12:49:14,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b01c96b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:14, skipping insertion in model container [2024-09-21 12:49:14,434 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:13" (2/4) ... [2024-09-21 12:49:14,435 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b01c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:14, skipping insertion in model container [2024-09-21 12:49:14,435 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:13" (3/4) ... [2024-09-21 12:49:14,435 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b01c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:14, skipping insertion in model container [2024-09-21 12:49:14,435 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:14" (4/4) ... [2024-09-21 12:49:14,437 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-21 12:49:14,441 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:14,442 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:14,442 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:14,443 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:14,443 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:14,443 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:14,443 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:14,443 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:14,444 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:14,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:14,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:14,444 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:14,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:14,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:14,445 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:14,503 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:14,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,535 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:14,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,560 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:14,590 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:14,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,619 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:14,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,652 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:14,673 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:14,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,678 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:14,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,680 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:14,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:14,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,699 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:14,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,703 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:14,718 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:49:14,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,745 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:49:14,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,766 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:14,784 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:14,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,795 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:14,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,821 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:14,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,823 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,823 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,827 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:14,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,849 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:14,862 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:14,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,893 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:14,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,896 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:14,905 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:14,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,907 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:14,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,907 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,909 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:14,919 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:14,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,919 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,923 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:14,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,931 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:14,941 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:14,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,951 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:14,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,952 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,959 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:14,971 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:14,972 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,976 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:14,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,980 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:14,991 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:14,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:14,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:14,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:14,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:14,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,993 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:14,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:14,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:14,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:14,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:14,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:14,996 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:15,007 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:49:15,008 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b01c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:15, skipping insertion in model container [2024-09-21 12:49:15,009 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:15,011 INFO L158 Benchmark]: Toolchain (without parser) took 1510.81ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 42.7MB in the end (delta: -3.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:15,011 INFO L158 Benchmark]: Witness Parser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:15,012 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:15,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.21ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 65.2MB in the end (delta: -25.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:15,013 INFO L158 Benchmark]: Boogie Preprocessor took 67.61ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:15,014 INFO L158 Benchmark]: RCFGBuilder took 519.48ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 47.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:15,015 INFO L158 Benchmark]: Referee took 577.46ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 42.7MB in the end (delta: 4.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:15,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, B=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, B=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.21ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 65.2MB in the end (delta: -25.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.61ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.48ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 47.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 577.46ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 42.7MB in the end (delta: 4.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:49:15,050 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...