./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:49:46,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:46,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:46,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:46,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:46,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:46,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:46,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:46,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:46,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:46,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:46,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:46,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:46,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:46,524 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:46,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:46,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:46,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:46,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:46,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:46,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:46,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:46,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:46,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:46,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:46,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:46,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:46,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:46,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:46,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:46,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:46,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:46,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:46,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:46,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:46,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:46,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:46,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:46,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:46,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:46,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:46,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:46,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:46,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:46,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:46,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:46,768 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:46,769 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:46,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-12 16:49:46,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:46,855 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:46,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-12 16:49:48,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:48,307 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:48,308 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-12 16:49:48,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2ce37d574/5ae31e5514d2475cb2b80cf63e36877e/FLAG265fad49d [2024-09-12 16:49:48,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2ce37d574/5ae31e5514d2475cb2b80cf63e36877e [2024-09-12 16:49:48,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:48,331 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:48,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:48,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:48,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:48,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (1/2) ... [2024-09-12 16:49:48,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1b9f31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (1/2) ... [2024-09-12 16:49:48,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b0f3eaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:48" (2/2) ... [2024-09-12 16:49:48,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1b9f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:48" (2/2) ... [2024-09-12 16:49:48,348 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:48,349 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-12 16:49:48,349 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-12 16:49:48,349 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:48,349 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:49:48,349 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:49:48,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:48,509 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-12 16:49:48,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:48,561 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:48,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:49:48,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:48,615 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:48,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48 WrapperNode [2024-09-12 16:49:48,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:48,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:48,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:48,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:48,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,662 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 [2024-09-12 16:49:48,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:48,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:48,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:48,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:48,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (1/1) ... [2024-09-12 16:49:48,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:48,719 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) [2024-09-12 16:49:48,726 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 [2024-09-12 16:49:48,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:48,831 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:48,835 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:48,855 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:48,876 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:48,983 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:49,013 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:49,014 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:49,032 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:49,032 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:49,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:49 BoogieIcfgContainer [2024-09-12 16:49:49,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:49,033 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:49,033 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:49,034 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:49,034 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (1/4) ... [2024-09-12 16:49:49,034 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3837783f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,035 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:48" (2/4) ... [2024-09-12 16:49:49,035 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3837783f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,035 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48" (3/4) ... [2024-09-12 16:49:49,035 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3837783f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,035 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:49" (4/4) ... [2024-09-12 16:49:49,036 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-12 16:49:49,040 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:49,040 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:49,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:49:49,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:49:49,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:49:49,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:49,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:49,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:49:49,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,043 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location [2024-09-12 16:49:49,082 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:49,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:49,083 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:49,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:49,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:49,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,093 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:49,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:49,094 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:49,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:49,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:49,111 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:49,144 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:49:49,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:49,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:49,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:49,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:49,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,184 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:49:49,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:49,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:49,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:49,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,204 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:53,223 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:49:53,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,223 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,224 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:49:53,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,226 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,239 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:53,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,241 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:53,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,243 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,251 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:49:53,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,288 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:49:53,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,296 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:53,305 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:49:53,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,306 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,306 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,319 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:49:53,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,324 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:53,333 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:53,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,338 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:53,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,340 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,349 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:49:53,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,370 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:49:53,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,372 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,373 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:53,383 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:53,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,385 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:53,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,385 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,385 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,388 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,398 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:53,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,402 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:53,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,404 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:53,414 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:53,415 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,415 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,421 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:53,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,426 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:53,433 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:53,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,436 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:53,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,439 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:53,445 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:53,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,447 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:53,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,447 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,450 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:53,453 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:49:53,453 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3837783f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:53, skipping insertion in model container [2024-09-12 16:49:53,453 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:53,455 INFO L158 Benchmark]: Toolchain (without parser) took 5123.57ms. Allocated memory was 176.2MB in the beginning and 291.5MB in the end (delta: 115.3MB). Free memory was 98.8MB in the beginning and 182.8MB in the end (delta: -84.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:53,455 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:53,455 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:53,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.91ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 141.4MB in the end (delta: -42.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-12 16:49:53,456 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory was 176.2MB in the beginning and 291.5MB in the end (delta: 115.3MB). Free memory was 141.4MB in the beginning and 261.5MB in the end (delta: -120.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:53,459 INFO L158 Benchmark]: RCFGBuilder took 348.71ms. Allocated memory is still 291.5MB. Free memory was 261.5MB in the beginning and 243.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:49:53,460 INFO L158 Benchmark]: Referee took 4420.30ms. Allocated memory is still 291.5MB. Free memory was 243.6MB in the beginning and 182.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-12 16:49:53,461 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. 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 check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 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 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 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 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 loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.91ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 141.4MB in the end (delta: -42.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory was 176.2MB in the beginning and 291.5MB in the end (delta: 115.3MB). Free memory was 141.4MB in the beginning and 261.5MB in the end (delta: -120.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.71ms. Allocated memory is still 291.5MB. Free memory was 261.5MB in the beginning and 243.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 4420.30ms. Allocated memory is still 291.5MB. Free memory was 243.6MB in the beginning and 182.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:53,487 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:49:55,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:55,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:49:55,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:55,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:55,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:55,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:55,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:55,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:55,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:55,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:55,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:55,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:55,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:55,384 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:55,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:55,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:55,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:55,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:55,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:55,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:55,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:49:55,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:55,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:55,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:55,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:55,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:55,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:55,390 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:49:55,391 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:49:55,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:55,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:55,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:55,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:55,392 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:49:55,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:55,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:55,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:55,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:55,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:55,688 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:55,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-12 16:49:57,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:57,239 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:57,239 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-12 16:49:57,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3d55f36d9/783054a37211401dbf7a3c41132eede8/FLAG14a1c589a [2024-09-12 16:49:57,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3d55f36d9/783054a37211401dbf7a3c41132eede8 [2024-09-12 16:49:57,659 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:57,660 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:57,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-12 16:49:57,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:57,738 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:57,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:57,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:57,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:57,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:57" (1/2) ... [2024-09-12 16:49:57,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7eb202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:57, skipping insertion in model container [2024-09-12 16:49:57,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:57" (1/2) ... [2024-09-12 16:49:57,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b8e621b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:57, skipping insertion in model container [2024-09-12 16:49:57,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:57" (2/2) ... [2024-09-12 16:49:57,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7eb202 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:57, skipping insertion in model container [2024-09-12 16:49:57,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:57" (2/2) ... [2024-09-12 16:49:57,772 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:57,773 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-12 16:49:57,773 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-12 16:49:57,773 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:57,786 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:49:57,786 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:49:57,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:58,056 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-12 16:49:58,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:58,086 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:58,116 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:49:58,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:58,140 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:58,141 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:58 WrapperNode [2024-09-12 16:49:58,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:58,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:58,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:58,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:58,152 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,153 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,159 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,169 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 [2024-09-12 16:49:58,169 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,169 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,178 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,180 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,182 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,183 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:58,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:58,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:58,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:58,189 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 12.09 04:49:58" (1/1) ... [2024-09-12 16:49:58,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:58,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:58,232 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) [2024-09-12 16:49:58,237 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 [2024-09-12 16:49:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:49:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:58,337 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:58,340 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:58,363 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:58,392 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:58,521 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:58,559 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:58,560 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:58,581 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:58,581 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:58,582 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:58 BoogieIcfgContainer [2024-09-12 16:49:58,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:58,582 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:58,583 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:58,583 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:58,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:57" (1/4) ... [2024-09-12 16:49:58,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c7756e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,584 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:57" (2/4) ... [2024-09-12 16:49:58,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c7756e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,584 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 12.09 04:49:58" (3/4) ... [2024-09-12 16:49:58,585 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c7756e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,585 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:58" (4/4) ... [2024-09-12 16:49:58,586 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-12 16:49:58,589 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:58,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:49:58,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:58,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:58,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:58,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:58,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:58,594 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-12 16:49:58,644 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:58,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,645 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,655 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:58,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,670 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:58,686 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:49:58,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,717 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:49:58,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,723 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,740 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:49:58,740 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,741 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:49:58,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,748 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,769 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:58,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,772 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:58,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,776 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,796 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:49:58,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,799 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,840 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:49:58,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,841 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,841 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,851 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:58,863 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:49:58,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,871 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:49:58,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,895 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:58,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,901 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:58,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,902 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,903 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,906 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,913 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:49:58,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,932 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:49:58,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,936 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:58,943 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:58,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,944 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,944 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,945 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:58,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,946 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,947 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,957 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:58,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,960 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:58,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,961 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,961 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,961 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,963 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:58,970 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:58,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,976 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:58,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,976 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,976 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,980 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:58,986 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:58,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,989 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:58,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,992 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:58,998 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:58,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,000 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:59,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:59,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:59,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:59,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:59,002 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:59,009 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 16:49:59,009 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c7756e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:59, skipping insertion in model container [2024-09-12 16:49:59,009 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:59,011 INFO L158 Benchmark]: Toolchain (without parser) took 1273.23ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 34.2MB in the beginning and 54.2MB in the end (delta: -20.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:59,012 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:59,012 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:59,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.31ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 41.0MB in the end (delta: -7.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:59,012 INFO L158 Benchmark]: Boogie Preprocessor took 45.41ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:59,013 INFO L158 Benchmark]: RCFGBuilder took 394.11ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 38.7MB in the beginning and 83.4MB in the end (delta: -44.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-12 16:49:59,013 INFO L158 Benchmark]: Referee took 427.36ms. Allocated memory is still 113.2MB. Free memory was 83.4MB in the beginning and 54.2MB in the end (delta: 29.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:59,015 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, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, b=0, counter=-2147483648. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 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 40 to check that procedure precondition always holds at line 40. 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 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 loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from 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 entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.31ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 41.0MB in the end (delta: -7.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.41ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.11ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 38.7MB in the beginning and 83.4MB in the end (delta: -44.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 427.36ms. Allocated memory is still 113.2MB. Free memory was 83.4MB in the beginning and 54.2MB in the end (delta: 29.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:59,043 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE